True Wireless - The headset adopts Bluetooth compatible v5.1 technology, stable connection, 9D high-fidelity stereo music playback. The sound is clear, allowing you to enjoy good music easily.LED Display - With digital display design, it can display the power and charge the charging box in time, so you don't have to worry about it.Auto-Pairing - When you take your phone and bluetooth compatible device out of the charging case, the earbuds will be paired automatically, 2 earbuds can be used separately to meet your different needs.Rechargeable - The charging box is designed with a 300mAh battery, which is convenient for you to charge the earphones, the earphones can be used for a long time after being fully charged, and the charging box can charge the earphones 3 times.Key Operation - Easily operate the headset with just a touch of a button, say goodbye to insensitivity, replace Android and iOS, and work with all Bluetooth compatible smartphones and devices.Hint - After receiving the package, you may not be able to use the headset because it may have lost power.So the first thing you need to do is to charge the charging case for 60 minutes.This is very important! thank you very much!If only one headset is working, disconnect the Bluetooth link, delete the phone's Bluetooth call history, and reconnect.Specification - Bluetooth compatible version - V5.1Transmission distance - 10mHeadphone capacity - 30mAhHeadphone compartment capacity - 300mAhCharging time of charging box - about 1.5 hoursHeadphone battery life - about 3 hours (depending on the volume level)The number of times the earphone is charged by the charging box - about 3 timesOperation mode - key operationWaterproof grade - IPX4Headphone Type - In-earCharging voltage - 3.7VChannel System - StereoShell material - frosted sub-UV processPacking list - 2*Bluetooth headset (left and right ear)1*Charging compartment2*Silicone ear caps1*User Manual1*micro data cable