• Power: 5W*2
• Built in Voltage: 3.7v
• Wireless Version: 4.2
• Battery Capacity: 1200mAh
• Transmission Distance: 10m
• Play Time: 3 Hours
• Charging Port: Micro USB
• Charging Time: 3-4 Hours
• Signal to Noise Ratio: >90dB
• Frequency Range: 120Hz-20KHz