Function & Parameters:
TF Card: Yes
USB Disk: No
FM Radio:Yes
Recording: No
Loop play back: Yes
Including Wall Charger: No
Basic function: Music/FM/Flashlight/Audio-In Jack
Material: ABS+UV
Output power: 3W
Input Power: Power Adapter/USB/ Li-ion
Sensitivity: 83db
Distortion: 1%(3.7v,1Khz,1W)
Working Voltage: DC 3.7V
Charging voltage: DC 5.0V---500mA
Llithium Battery Capacity: 1500 mAH
Impedance: 4 ohm
Display: LED
Speaker: 1.5 inch *1+ Passive Radiator*1
Audio Format: MP3
Firmware Upgrade: Available
Dimension: 123mm*32mm*67mm (W*D*H) Approx ( 4.84'' * 1.26''*2.66'')
Operating Temperature: -5 --- 40 degrees Centigrade
Net Weight: About 128g
Package Content:
1* Radio speaker
1* User manual
1* USB Cable
1* 1500mAh replaceable Battery
1* Strap