S590B Wireless Bluetooth Headset 5.0 Binaural Waterproof With Digital Display Charging CompartmentFeatures:A 2200mAh charging bin is configured to charge the headset for 5-6 timesCheck the remaining power in- the charging bin and the charging progress of left and right headphones at any time10mm moving coil unit and professional- I frequency adjustment are adopted to make the sound range wider and the sound field more Micro silicon chip integrated audio circuit has good RF and EM- performance to noise, presenting pure sound quality and clearer voice callAfter connection, the light will stop flashing, and two breathing lights are availableThe new generation Bluetooth 5.0, with high transmission efficiency, enables you to experience the game with lower delay during the game, and makes you immersiveLife grade waterproof to avoid sweating during exercise. Sweat enters the headset and damages the internal chipProduct Description:Bluetooth version 5.0Wireless distance 10mHeadphone frequency range 2.402GHZ~2.480GHZSensitivity80dbMusic playback time is 3~4 hoursTalk time 4~5 hoursHeadphone battery capacity 60mAhCharging compartment battery capacity 2200mAhSupport protocols A2DP, AVRXP, HFP, HSPPackage Contents:1 x Bluetooth earphone