"❀ Description: ❀ --Product name: true wireless bluetooth headset ❀ --Product color: cool black ❀ --Bluetooth-compatible version: V5.1 ❀ --Talk time: 4-8 hours (single use of headset) ❀ --Accumulated battery life: 48 hours (used with charging bay) ❀ --Charging time of the charging box: 1-2 hours ❀ parameter: ❀ 1.Model:S10 ❀ 2.Bluetooth specification: V5.1 ❀ 3.Bluetooth Profile:A2DP,AVRCP, HFP;HSP ❀ 4.Frequency Band Range:2.402 ~ 2.480 ❀ 5.Working voltage:3.2V~4.2V ❀ 6 Charging voltage:5V-1A ❀ 7.Transmission distance:>10M ❀ 8.Rechargeable headphones: 4 times ❀ 9.Noise reduction ratio: CVC8.0 ❀ 10.Call time:about 4-8 h ❀ 11.Charging time of headset:1 h ❀ 12.Charging time of the Charging box:1h ❀ 13.Support system:All Bluetooth devices and mobile phones ❀ Specifications ❀ --Sound quality ""0"" loss：With graphene companies diaphragm, its high resilience Features can show more audio details, enjoy HiFi sound quality. ❀ --Colorful light touching：Combine pattern technology with touchingtechnology Match two colorful lights to make the headphone face More beautiful and fashionable. ❀ --Mini charging bay：The battery capacity remains the same, and the Volume is smaller Convenient to Carry around. ❀ --Long battery life：Use With charging bay to achieve long-lasting Music battery life, With LED power display There maining power is Clear at a glance. ❀ --Game delay: Using powerful 5.1 synchronous transmission, stable Voice synchronization allows you to enjoy the game. ❀ --8mms dual drive units, enjoy 9D strong deep bass music sound. ❀ --Popular touching control function, support switch songs, phone call and call voice assiatant. ❀ Package Included: ❀ 2x Headphones ❀ 1x charging compartment ❀ 1x data cable ❀ 1x manual"