Yesido YSP19 OWS Open Wireless Bluetooth Earphones sport earbuds Color:Black Battery type: built-in 400mAh lithium

Battery type: built-in 400mAh lithium battery

simple but not vulgar

Power Source: DC

Carton Size 44cm * 35cm * 32cm / 17

using high-fidelity speakers

Yesido YSP19 OWS Open Wireless Bluetooth Earphones sport earbuds Color:Black Battery type: built-in 400mAh lithium1. Adopt non in ear design to always perceive ambient sound. 2. Ergonomic ear design, comfortable to wear. 3. Ear hook structure, more stable and fit. 4. Stereo sound quality, HD calls. 5. IPX5 waterproof, water resistant and sweat resistant. 6. Parameters: Material: PC+ABS Frequency response range: 50Hz 10kHz Bluetooth version: AD7003D4 V5. 4, distance: less than or equal to 10M Listening to music and talking time: about 6H Earphone battery capacity: