Special construction for water and dust proof
MCU function control, touch switch operation
Electronic volume control technology, the memory function makes the volume same as last time automatically when it is on
Music play function supports the multi-media audio files play of USB flash disk and TF card
MCU intelligent power level inspection for actual battery power condition indication
Built-in high capacity lithium-ion battery
Class D digital module for low power consumption and high output power up to 18W
Built-in MCU intelligent recharging management system for secure recharge and discharge and fast recharging time(only 6hrs), playtime is up to 8 to 12 hours
Multiple wearing choices for convenient use
Unique and fashionable design

Frequency Response : 80Hz-12kHz
Output Power : 18W
Output Impedance : 7.4V
Operating Voltage : 4 Ohm
Battery Specification : 2pcs 3.7V/2200mAh lithium-ion battery
Power Adapter : DC 10.6V 450mA
Recharging Time : 4-6hrs
Playtime : 12hrs
Dimension : 100 x 94 x 43mm (3.9 x 3.7 x 1.6 in)
U disk and TF card : max.16G in MP3 format

Bandage
HM-700 Headset Microphone
Audio Cable
2 x Li-ion Batteries
Adapter
USB Cable
Amplifier Megaphone