Hoco ES7 Premium Bluetooth 4.1 / A2DP / HFP / HSP / AVRCP / Sport Headsets Blue

Specification:Bluetooth version: 4.1Support: HFP, HSP, A2DP, AVRCPWeight: 21 GBattery: lithiumBattery capacity: 100 mAhInput voltage: DC5V-50 MACharging time: 2 hoursMusic listening time: 6 hoursTalking time: 6 hoursFrequency: 2.402GHz