• Material: ABS+Fabric
• Bluetooth version: V4.1
• Water Resistant:IPX4
• Transmission distance:10 meters
• Support handsfree function
• Frequency range:180Hz-20KHz
• S/N ratio:≥80dB
• Speaker unit: diameter 45mm, inner magnetic 24W=12Wx2 with Digital Signal Processor
• Battery: Lithium-ion battery, 4000mAh 
• Charging voltage: 5V / 1A
• Charging time:4~5 hours
• Working time:6~8 hours
• Weight: 400g                                     • NFC