Sorts Waterproof BT5.0 Wi-fi Earphone Headphones Colours Black The management mode Contact Enjoying Time 4 hours Calling Time 4 hours Earbuds capability 50 mAh Battery capability 2000 mAh Transmission distance ≤10m Operate Battery Show, Name Operate, Voice Management, Music Assist, Multi-point Connection Options Blutoth 5.0 + Dustproof & Waterproof Design +