Power capacity will show on your Phone, you can see the power situation anytime. Notice: 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). 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 earphone would be i7 tws. 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. 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. Tips: If the headset can't match each other or it doesn't match the Bluetooth device,please contact us. Specification: - Bluetooth version: Bluetooth v4.2 + EDR - Output power: 30mW - Operating voltage range: 3.0V-4.2V - With A2DP / AVRCP high quality stereo audio transmission and remote control protocol Package Includes: 1*a pair of mini Bluetooth Headphones(2 pieces,left&right) 1*USB Charging Cable 1*User Manual
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