Product Parameters:Product model: S6 SEBluetooth version: Bluetooth V5.1specification: earphone 3.7v 38mAh; Charging bin 3.7v 260mAhSupported mode: HFP/HSP/ A2DP/AVRCPSensitivity: 105dB ±3dB S.P.L at 1KHzSignal distance: 10 mWaterprof :IPX4Playing time: about 3-4 hoursTalk time: approximately 3-4 hoursStandby time: about 80 hoursCharging time: charge the charging warehouse for about 2 hours,and charge the headset for about 30 minutesCharging times for the headset: about 3 timesProducts include1 * One pair of Bluetooth headsets1 * Charging box1 * Charging cable1 * User Manual