Nokia Essential True Wireless Earphones
E3103
User guide
Contents
Powering on
Pairing mode
Charging
Earbuds charging
Case charging
Troubleshooting
| Problem | Reason | Solutions |
| Does not power on / Does not respond | Battery is low | Charge the earphones for 2 – 3 hours and reconnect the earphones |
| No sound after pairing | Incorrect pairing | Pair the earphones again or reset the earphones |
| Turns off automatically | Battery is low | Charge the earphones for 2-3 hours |
| Failing to charge | Error with power supply | Perform a hardware reset |
| No light on the case during charging | Error with power supply | Check that the charging cable is plugged in. Ensure that the wall switch is on using a wall charger. |
| Hearing an echo | Volume is too loud or the environment is too noisy | Adjust the volume or change your location |
| Noise in-call / Sound occasionally drops | Noisy environment or distance between earphones and mobile phone is too far | Change your location or bring your earphones and mobile phone closer together |
| Sound is too soft | Low volume | Increase the volume |
| Pairing unsuccessful / Only one side has sound / Cannot find the pairing name on the device / Mono pairing unsuccessful | Too many pairing records or not paired properly | Remove at least one pairing from your device’s pairing list, reset and pair the earphones again |
Controls
Specifications
Nokia Essential True Wireless Earphones E3103
| Wearing style | : True wireless earphones |
| Ear coupling | : Concha |
| Frequency response | : 20Hz to 20kHz |
| Transducer principle | : Dynamic driver |
| Transducer size | : 13mm |
| Sound pressure level(SPL) | : 102dB±3dB |
| Impedance | : 32Ω |
| Microphone principle | : MEMS x 2 |
| Power supply | : Built-in Lithium rechargeable batteries Left earbud: 37mAh/3.7V Right earbud: 37mAh/3.7V Charging case: 320mAh/3.7V |
| Operating time | : Up to 7hrs (music playback via A2DP with 70% of the volume) with rechargeable batteries of the earphones* Up to 25hrs with a rechargeable battery of the charging case* |
| Charging time | : Earphones: approx. 2hrs Charging case: approx. 2hrs |
| Ingress protection (earbuds) | : Anti-dust and splash-proof (IP44) |
| Weight | : Left earbud; approx. 3.3g Right earbud; approx. 3.3g Charging case; approx. 31.4g |
| Volume control | : Yes |
Bluetooth
| Version | : Bluetooth specification version 5.1 |
| Profiles | : HSP, HFP, AVRCP, A2DP |
| Effective range | : Line of sight approx. 30ft(10m) |
| Transmission frequency | : 2402MHz to 2480MHz |
| Output power | : 3mW (max.) |
| Supported audio format(s) | : SBC |
* Charging case that holds multiple charges for total playtime. Battery life depends on device settings, environment, usage and many other factors.
Safety guide
Important safety instructions
- Please read this user guide and warranty manual carefully before using the product for the first time.
- Do include this user guide if passing the product on to new users.
- Please inspect the product before use. If there are signs of defects, please stop using the product immediately.
- Use only the product in environments where wireless Bluetooth®transmission is permitted.
Preventing damage to health and accidents
- Do not listen at high volumes, especially for extended periods, to prevent hearing injury.
- The permanent magnetic fields created by this product may interfere with medical implants such as cardiac pacemakers and implanted defibrillators (ICDs). Please always maintain a distance of at least 10cm (3.94”) between the products’ magnetic component/s and implanted medical device/s at all times.
- Keep this product, its accessories and packaging out of reach of young children or pets, as these may pose choking hazards.
- Do not use the product in an environment that requires your special-attention (e.g. in traffic).
Preventing damage to the product and malfunctions
- Always keep the product dry and avoid exposure to heat sources (including hairdryers, heaters, prolonged strong sunlight etc.) as this may result in product deformation or malfunction. The normal operating temperature of the product is 0 °C-40 °C or 32 °F-104 °F.
- Please do not use any attachments, accessories, or spare parts with the product unless they are included with the product or recommended by RichGo Technology Co. Ltd.
- The product should only be cleaned, where necessary, with a soft, dry cloth.
Safety instructions for lithium rechargeable batteries
WARNING
In extreme cases, rechargeable batteries may leak and may cause the following hazards if abused or misused:
• explosion • fire development • heat generation • smoke or gas development
Dispose of defective products with built-in rechargeable batteries at special collection points or return them to your specialist dealer.
Only use rechargeable batteries recommended by RichGo and the appropriate chargers.
Only charge the product/rechargeable batteries at ambient temperatures between 10°C/50°F and 40°C/104°F.
Switch battery pack-powered products off after use.”
When not used for extended periods of time, recharge the product/rechargeable batteries regularly (about every 3 months).
Do not heat the product/rechargeable batteries above 70 °C/158°F. Avoid exposure to sunlight and do not throw the product/rechargeable batteries into fire.
Reset
Clearing all pairings
Intended use/Liability
Intended use/LiabilityRichGo will not be responsible for any indirect or consequential loss, loss of profits or loss of data. Warranty will be void under the following conditions, and the manufacturer reserves the right to refuse to provide service and to demand charges for any costs of servicing from the customer.
There will be no warranty if the product has been modified or repaired by persons not authorized by the manufacturer; Mishandling or wrong application of the product, such as leaving batteries over an extended period in the product causing battery fluid leakage, or applying wrong voltage, manual destruction, damage caused by natural disaster or accident; Product caused by impact sand or liquid damage, tampering, or operating fail; Install and maintain product without following instructions provided by the manufacturer; If the model number or item code attached with the product has been erased or modified; Modify without authorization the contents of this warranty policy.
If the product has been used for commercial, display, demonstration or rental purposes. All parts replaced within the warranty period are properties of the manufacturer. We have the right to handle those parts as necessary. The warranty covers only the hardware of the product’s main body. All other accessories are not covered within the warranty terms, such as external connection cable, power cable, computer cables, software, CD, external cover/cabinet and user manual. (For item description and accessories, please refer to the user manual/instruction manual/user guide)
Manufacturer Declarations
More information on legal compliance labels can be found at the end of this document.
Always return your used electronic products, batteries, and packaging materials to dedicated collection points. This way you help prevent uncontrolled waste disposal and promote the recycling of materials. Electrical and electronic products contain a lot of valuable materials, including metals (such as copper, aluminum, steel, and 
magnesium) and precious metals (such as gold, silver, and palladium). All materials of the device can be recovered as materials and energy. The crossed-out wheelie bin
symbol on your product, battery, literature, or packaging reminds you that all electrical and electronic products and batteries must be taken to separate collection at the end of their working life. Do not dispose of these products as unsorted municipal waste: take them for recycling. For info on your nearest recycling point, check with your local waste authority.
RichGo Technology (Shenzhen) Co.Ltd is a licensee of the Nokia brand for earphones and mobile accessories. Nokia is a registered trademark of Nokia Corporation.
The BLUETOOTH® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by RichGo is under license.
For product support, please visit http://www.nokia.com/shop/support or call 4009993019 (CN)
