Description of productsOperating frequency range: 2.401/2.4820GHZBluetooth version: 5.1Headphone capacity: 60mAhBattery charging box capacity: 2000mAhStandby time: 300HPlaying time: 6HThe transmission distance: >10mCharging voltage: DC 5vCharging interface: MICRO-USBFeatures:The latest stereo binaural Bluetooth stereo headset with the 5.1 chip gives you very efficient wireless performance.It adopts Bluetooth 5.1 chip, 10m connection distance, stable performance, high transmission, low consumption and strong compatibility.Ergonomically designed for a more comfortable fit in the ear.The two-ear split design allows the single ear to be used separately, equivalent to two independent Bluetooth headphones.Charging compartment can be used as a mobile phone holder, portable mobile phone holder, horizontal and vertical positioning holderWatch live streams and movies without the need to purchase an additional mobile phone support.The right and left ears of the canal are free to use.Strong compatibility, universal IOS/Android, one-button control, simple and stylish.