**parameter Sell points Packing materials
**Bluetooth version：V3.0 Portable, hanging portable design Product size：165*60*35mm
**Bluetooth transmission power: CLASS2-4dBm **Bluetooth wireless audio transmission Unit weight：260g
**Bluetooth working frequency：2.4GHz Ariety of classic color for choice Gift box size:170*70*70MM 40pcs/case
Charging voltage: DC5V/500mA With phone handsfree Net weight:16 KG
Working voltage ：DC 3.7V Computer small speakers Gross weight：16.7KG
Battery capacity:4000MA Car bluetooth Carton size：38*36.5*31CM
Music playing time：15H FM radio
Talking time:40H Card speakers
THD: ≤ 0.1% POWER BANK