Specification :

• 3.0 Version bluetooth with EDR
• Lifetime: Can be used over 500 times
• Frequency response: 80Hz - 20KHz
• Signal & noise ratio: 75dB
• Wireless distance: 10 meters
• Bluetooth connection mode
• Output power: 3W
• Impedance: 4 OHM
• Electric circuit protection devices
• Recharge instruction
• Flexible lanyard
• Micro USB charging cable included
• Available in various colors

Material :

• ABS housing
• Silicone strap

Size closed :

• Diameter of 8.5 cm x Thickness of 3.8 cm