• Non-in-ear design to free your ears, wireless connection, exercise at will
• Hear the background sound during outdoor exercise for safer using
• 2 dynamic coils on one earbud, 4 mics built-in for better sound quality
• Excellent wireless 5.3 chip, with smooth connection and anti-interference function
• IPX6 waterproof, swear-resistant, enjoy worry-free exercise
• 8-hour battery life, listening music during working out
• The band is free for bending, adopting skin-friendly material, providing painless wearing

Specification:

• Bluetooth-compatible version: 5.3
• Play music time: 8h
• Standby time: 150h
• Driver unit: 8mm
• Frequency response: 20Hz-20KHz
• Battery capacity: 140mAh
• Rated power: 30mW
• Input: DC 5V/500mA
• Charging time: 2h