B90 wireless bluetooth speaker outdoor sports watch audio portable collection MP3

product description

Product specifications:
Size 70x45x25mm
  Weight 120g
1. Output power: 3WTHD: 10%
2. Sensitivity ratio: 360mv
3, signal to noise ratio: 80 decibels
4. Input power: DC5V/500 mA
5. Frequency: 120HZ-20KHZ
6. Bluetooth version: Bluetooth 3.0+ EDR
Package Included:
1 smart watch speaker B90

1 USB charging cable

Connection method Bluetooth connection
Interface Type Card Reader
Battery capacity 400mA
Frequency response range 120HZ-20KHZ
Output power 3W
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