QZ Wireless Communication Headset User Guide
In the Box
Controls & Features
Pairing
- For first use, press and hold the power button for 5 seconds or more
- Choose”KOSS CS34OBT OZ to connect
Note: Headset will automatically connect to your device after initial connection as long as Bluetooth is on.
Controls
LED Light Language
| Power On |  Blue light flash x3 |
| Power Off | Red light flash xl |
| BT Paring |  Flash |
| BT Connected | Flashing every 2s |
| Low Battery Reminder |  Flashing red light |
| Charging in Progress | Red light on |
| Charging Complete | Blue light on |
| Anc On | Blue ANC light on |
| ANC Off | Blue ANC light off |
Charging
It takes 3 hours to fully charge the headset. While charging, the status LED illuminates red. Once charging is complete, the status LED illuminates blue.
Note: The lifetime of the battery will be significantly reduced if your headphones are left uncharged for a long period of time. We recommend that you recharge your headphone at least once a month.
Product Specifications
Lithium Ion Battery:
Model: 652035, 3.7V, 420mAh
Battery Factory: SHENZHEN MINI INDUSTRIAL CO., LTD.
Battery Factory Address: F4, NO. 28, Jinfeng Road, Yangmei Gang Village, Longgang District, Shenzhen
Use this product in an environment with a temperature between 0 C’ and 45 C ; otherwise, it may become damaged.
KOSS Corporation
Model: KOSS CS34OBT QZ
Hereby declares that Bluetooth Headset, Model: KOSS CS34OBT QZ is in compliance with the essential requirements and other relevant provisions of directive 2014/53/EU.
Model: KOSS CS34OBT QZ
Bluetooth Version: 5.0
DC input: 5VDC, 250mA Headset Battery Capacity: 420mAh 1.6Wh
Made in China
WARNING
Listening at high volumes for extended periods of time may result in permanent hearing damage. It is advised you keep volume levels moderate to low at all times for your safety. Do not use while driving a car, cycling, operating machinery, or performing other activities that require hearing surrounding sounds. The headset may not work properly under high temperature or high humidity conditions. Do not use any corrosive cleaner/oil to clean the Headset If the headset comes in contact with liquids, quickly wipe it away. If submerged in water, do not turn the headset on until completely dried. Liquid submersion voids the warranty. Keep the headset and packaging out of reach of children.
Battery warning! ‘
- Do not disassemble, strike, crush or put the battery in fire.
- Do not expose the battery to conductive materials, liquids, fire, or high temperatures.
- Do not allow metal objects to touch the two poles of the battery.
- Do not continue to use the battery if it has bulges, leaks, discoloration, or odors.
- Do not use the battery after it has been submerged in water.
- If the battery is used improperly, it may explode or leak, causing bums and other personal injuries.
- It the battery leaks, it should be carefully disposed of according to the local laws and regulations concerning battery disposal.
The Directive on Waste Electrical and Electronic Equipment (WEEE), which entered into force as European law on 14/02/2014, resulted in a major change in the treatment of electrical equipment at end-of-life. The purpose of the Directive is, as a first priority, the prevention of WEEE, and in addition, to promote the reuse, recycling, and other forms of recovery of such wastes so as to reduce disposal. The WEEE logo on the product or on its box indication collection for electrical and electronic equipment consists of the crossed-out wheeled bin, as shown below.
FCC WARNING
This device contains license-exempt transmitter(s)/receiver(s) that 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 the general RF exposure requirement. The device can be used in portable exposure conditions without restriction.
FCC RF exposure statement:
The equipment complies with the FCC Radiation exposure limit set forth for uncontrolled environments. This equipment should be installed and operated with a minimum distance 20cm between the radiator and your body.
