TG 512 Portable Wireless Speaker

• Working Range:  Up To 10M
• Working Time:  2 Hours
• Loudspeaker Output:  5W 1
• Frequency Response: 120Hz-20KHz
• Signal-To-Noise:  >85dB
• Battery Voltage/Capacity:  3.7V/1200mAh
• Charging: 5V/500MA