Dual-mode dual-decoding, more stable sound quality and more complete preservation.The cochlea design can truly the sound quality, show delicate music, and make the sound full and powerful.Type-C charging socket, convenient blind insertion, more efficient charging, easy to carry.Take it out to automatically connect to the device, and put it back into the charging compartment to automatically shut down and charge.Call assistant with one key, open the music player, make a call, open the navigation, and open .Bluetooth version: 5.1Horn: 8mmFrequency response: 20Hz-20KHzEarbuds battery capacity: 50mAhCharging compartment battery capacity: 800MAHTransmission distance: 10mTalk time: 4 hoursPlaying time: about 6 hoursCharging time: 1-2hOperation: touchMaterial: ABScolour: blackPackage Contents:1 Pair x Headphones1 x Headphone Compartment1 x Charging CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.