User Manual
F1 True Wireless
Earphones
Product Specifications
| Model Name | Fl | Charging Interface | Type-C |
| Impedance | 320±15% | Bluetooth Range | 10m/33ft |
| Bluetooth Chip | AD6973D | Driver Diameter | 910mm |
| Bluetooth Version | V5.0 | Frequency Response | 20-20kHz |
| Sensitivity | 103±3dB | Charging Voltage | DC 5V |
| Charging Time | 2–1.5h | Battery Capacity | 50mAh (Earphones) |
| Battery Capacity | 300mAh (Charging Case) 300 |
| Working Time at 50% Volume | ≅5h |
| Working Time at 100% Volume | ≅4.5h |
| Working Time at 80% Volume | ≅4h |
What’s in the Box?
Earphones x1 Pair- Charging Case x1
- Eartips x2 M Size Installed
- Type-C Charging Cable x1
- User Manual
How to Pair?

- Put Fl earbuds into charging case
- Close the charging case
- Open the charging case and take out earbuds, Fl will enter pairing mode automatically
- Choose Fl from the Bluetooth list on your phone
- Fl earbuds are connected
How to Wear?

- Choose the suitable ear tips
- Insert F1 into the ears
- Twist slightly until fits well
Control

| Play/Pause | x1 | or | x1 | |
| Previous Track | x2 | |||
| Next Track | x2 | |||
| Answer/End Call | x1 | or | x1 | |
| Reject Call | x2 | or | x2 | |
| Voice Assistant | x1 for 2sec | or | x1 for 2sec | |
| Turn on | x1 for 2sec | x1 for 2sec | ||
| Turn off | x1 for 5sec | x1 for 5sec | ||
| Reset | x5 | or | x5 |
Charging

- Output: DC 5V
- Low battery <15%
- 15%-30%
- 30%-50%
- 50%-75%
- 75%-100%
Limited Warranty
Our friendly customer service team are ready and waiting to help. Here is how we can connect:
Global: oneodio.com/pages/support
Japan: oneodio.jp/pages/support
India: oneodio.in/pages/support
Global: +85269403848 (Mon to Fri 9:00 am-6:30 pm, UTC +8 HKT)
India: +918929369620 (Mon to Fri 9:30 am-5:30 pm, IST)
Global: [email protected]
India: [email protected]
FCC Warning
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction. FCC ID:2A25A-F1 MIC:214-14851
Earphones x1 Pair


















