MaterialABS FeaturesLED Power digital display+Mobile phone charging power supply Applicable ModelSuitable for all mobile phones and smart devices with Bluetooth function Bluetooth-compatible version5.0 + EDR Protocol mode A2DP,AVRCP,HSP,HFP Effective distance 10mAccessibility Binaural pairing modeAutomatic pairing after startup Horn diameter 8mm Impedance32 Sensitivity 42db Battery capacityHeadphones-50mah Headset usage time3-5 HoursDepending on the volume Headset Charging Time1 Hours Battery compartment charging interfaceMicro-USB USB Output 5V 1A Key functionSuspended/PlayAnswer/Hang upOn/Lower switchAccording to the music modePress the power key twice Single ear weight 4G Specifications: 1, Bluetooth-compatible V5.0, support most of Bluetooth-compatible devices and lower power consumption 2, With waterproof technology, no need to worry about water and sweat anymore 3, 8mms dual drive units, enjoy 9D strong deep bass music sound 4, Popular touch control function, support switch songs, phone call and call voice assiatant How to pair headphones 1. Put the headset back into the charging box, delete the headset connection record in the Bluetooth of the mobile phone, and then turn off the Bluetooth of the mobile phone. 2. Take the headset out of the charging box. 3. Wait for about 5 seconds (you will be prompted to find a slave, and there will be a prompt for left and right channels if the pairing is successful). 4. After successful pairing, the red and blue lights of the left headset flash each other, and the right headset does not flash. At this time, you can turn on the Bluetooth connection of the mobile phone. PS: if it is not successful, please repeat 1-4 operations and try several more times. As long as the connection is successful, it will be automatically connected every time in the future. Don't worry. Package Included: Headphones*1 pair Charging cable*1 Manual