• Large dynamic driver, ultra-wide frequency, air conduction speaker, powerful bass
• Non in-ear wear, gentle on your eardrums
• Waterproof, sweat resistant, suitable for wearing when doing sports
• Built-in with cell battery with up to 18 months of standby time
• Unique rotary hook design to fit various ear types

Specifications:

• Model: WS-02
• Bluetooth-compatible version: 5.3
• Play time: 7h
• Standby time: 18 months
• Driver unit: 16mm
• Frequency response: 20Hz-20KHz
• Battery capacity: 530mAh
• Rated power: 48MW
• Input: DC5A
• Charging time: 1.5h