**parameter Sell points
**Bluetooth version：V3.0 Portable, hanging portable design
**Bluetooth transmission power: CLASS2-4dBm **Bluetooth wireless audio transmission
**Bluetooth working frequency：2.4GHz Ariety of classic color for choice
**Charging voltage: DC5V/500mA With phone handsfree
**Working voltage ：DC 3.7V Computer small speakers
**Battery capacity:4000MA Car bluetooth
**Music playing time：10H FM radio
**Talking time:30H Card speakers
**THD: ≤ 0.1% POWER BANK
**Signal to Noise Ratio：≥90 db The flashlight
Speaker parameter :4Ω5W X2 ф40MM，Two speakers ` Waterproof speaker
Bluetooth range :10-20m Bluetooth Camera Remote Shutter
Colour :red ,blue,
black,pink ,white,Golden
10W Bluetooth Speaker