Yunirqho81yz7p4-02 Wireless Earbud

Specifications: Package weight: 15 g Bluetooth chip and Bluetooth version: CSR 4.1 Bluetooth protocol: A2DP AVRCP HFP HSP Battery: 3.7V 60mAh Charging power: 5V/80mAh. Sensitivity: 103dB +/- 3dB. Impedance: 32Mw Transmission distance: barrier 10 m Frequency: 2.4 GHz Talk time: about 2 hours Song duration: about 3 hours Standby time: about 160 hours Function: Play/Pause/Change Music Adjust the volume, change the Chinese and English voice Report call number Answer/hang up/reject/redial calls Operation Voice Prompt Show electrical quantity for iOS system Supports WeChat, car navigation, QQ voice and other software Instructions: On/Off: Long press the power button for 3 s Enter pairing mode: Long press the power button for 5s Volume +/-: Press the volume/volume button Change voice to Chinese and English: Press the power button twice in pairing state. Play/Pause: Press the power button Previous song: Long press the volume button for 2 seconds Next song: Long press the volume button + for 2 seconds Answer/end a call: press the power button Reject a call: Long press the power button Redial last number: double-click the power button; then short press the power button to cancel the call. Package list: 1 x helmet. 1 x data cable.