McGeSin Bluetooth Music Wireless Headset IPX7 Waterproof Sport Earphone

McGeSin New Bluetooth Earphones Music Ecouteur Bluetooth Wireless Headset IPX7 Waterproof Sport Earbuds HD Call With Microphone

Specifications: Model: V1 Bluetooth version: BES 5.0 + EDR Supported agreements: HFP/HSP/A2DP/AVRCP Transmission range: about 15m (without barrier) Earbuds working time: about 4 hours Earbuds standby time: about 100 hours Earbuds charging time: about 2 hours Earbuds battery type: lion Earbuds battery capacity: 3.7V 50mAh Charging case capacity: 3.7V 500mAh Charging case charging time: about 2 hours