Product Name: Wireless Noise Cancelling Headphonesspecification:Bluetooth version: 5.2Color: black/whiteBattery capacity: 1000mAhConnection distance: 10mMusic playback: 60 hoursVoice call: 55 hoursStandby time: 200 hoursPackage Contents:1*Bluetooth headset1*Instruction manual1*audio cable1*charging cableNote: If you do not use the headset for a long time, we recommend charging the headset every three months to protect the battery life