Y30 Touch EditionY90 button versionBluetooth version: 5.0Bluetooth chip: Jerry (low power)Earphone material: ABS plasticEarphone power: Standard 55mACharging chamber: Standard 450 MaListening time: about 3 hoursProduct size: charging bin 8 * 4 * 3cmPackage size 13.5 * 8.5 * 3.5cmProduct weight: earphone 10g, charging chamber 32g, whole set 70gProduct matching:â‘ Remove the anti charging label on the headset and put it into the charging compartment. When the red light is on,â‘¡ At the same time, take out the headphones to automatically pair.â‘¢ After the pairing is successful, the headset indicator light goes out, and then take out the mobile phone for Bluetooth pairing