Merchandise Wi-fi Earphone & Headphone Sorts BT 5.0 Wi-fi Earphone Colours Black Channel Stereo Transmission Distance 10M Battery Capability Headphones In-built 28mAh Charging Field 200mAh Enjoying Time 3 hours Calling Time 3 hours Operate Name Operate, Voice Management, Music Assist, Multi-point Connection Options BT 5.0 + 200mAh IPX5 Waterproof+ Hifi Heavy