User’s Manual Model No: B021 Wireless Headphone With Microphone
Important safety instruction If used in the correct method, this design and production of this product can ensure your personal safety completely. However, any inappropriate use may lead to potential risk and danger of electric shock or fire hazard. Please read all the safety instructions before installing and using the product. In particular, attention shall be given to the following information: 1. It needs to be stored or used in the ambient temperature. 2.
Product feature Pairing name Li-battery capability Talking time Playing time Standby time Charging time Charger mode RF Transmit Power Frepuency Range Straight-line distance It is necessary to enter the passcode if bluetooth connection version 2.0 below Function Power on B021 400 mAh 25hours 25hours 3months 2 hours Micro USB 5V/1A 6 dBm 2402-2480MHz A single earphone bluetooth distance will be more than 10 meters indoor , outdoor more than 7 meters.
After answering: Blue LED light flash twice per 1s Reject call Long press button" "about 2 seconds End call Last number redial Sound transfer Call to Keep Unlock the call Line in input The call comes in when playing the music After reject call blue LED light solid on Short press button" " The blue light flashes twice for 5 seconds Long press button" "about 2 Red light flash interval 200ms seconds When you answer the call, press the "power on / off" button for 2 seconds to switch the call be
Q2. Why can’t I connect the earphone to my bluetooth device? A2.1. The bluetooth function on your device may have been turned off. Please turn on the bluetooth function on your device and allow it to search for compatible devices. A2.2. The earphone may have been connected to another device. Please disconnect (unpair) the headphone from the previous device before connecting them to a new one. A2.3. The earphone may not have been recognized by your device.
