Product Fertures: Microphones: Omni-directional microphone Speaker:Dynamic speaker Automatic reconnection Support Agreement: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 Charging voltage: DC5V Transmission distance: 10m(33ft) Music time: ≥20hours (80% volume) Working time: ≥25 hours Standby time: ≥20 days Charging time: about 3 hours Compatible phone: compatible with almost all the Android, Apple, Microsoft, Saipan system with Bluetooth mobile phone Common problems: 1.NOT PAIRING: please check if the headset has entered pairing mode. (Turn the Bluetooth on and keep press the function key until the LED light flashing Red and Blue alternately). 2.DEVICE NOT FOUND: please check if you have turned on the Bluetooth function on your devices, or please kindly try to restart your phone, the name of this earpiece would be M20. 3.NOT CHARGING: please kindly check if you are charging correctly, if the earphone is completely out of power, it might take longer to be fully charged. 4. VOLUME CONTROL: consider it's so small size, you need to adjust the volume on your smart phone, there is only one key button on the earphone, for power on/off/answer or reject phone calls. Package Content: 1*Bluetooth Headset 1*USB Charging Cable 1*User Manual 2* Earbuds Tips
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