1. Material: ABS / UV
2. Basic functions: music, FM, amplifier, mobile power
3. Output power: 5W
4. Input: power adapter/USB/lithium ion
5. Sensitivity: 80db
6. Distortion: 1% (3.7v, 1Khz, 1W)
7. Working voltage: DC 3.7V
8. Charging voltage: DC 5.0V
9. Lithium battery capacity: 2200mAH
10. Display mode: LED
11. Speaker: 2.5 inches x 1
12. Audio format: MP3 / WMA / WAV
13. Working temperature: -5~40 degrees Celsius
14. Net weight: about 249 grams
15. Dimensions: about 86x39x117 mm

Packing list:
1. Loudspeaker
2. User Manual
3. USB data cable
4. Waistband
5. Professional wired headset microphone