1)Wireless bluetooth speaker
2)Bluetooth version: V5.0+EDR
3)Bluetooth distance: 10M
4)Frequency response: 100Hz-20KHz
5)Charging voltage: DC 5V±0.5V
6)Built-in lithium battery: 3.7V/350mAh
7)Output power(RMS): Φ45mm,3W*1
8)Impedance: 4Ω
9)S/N ratio: ≥85dB
10)THD: ≤0.5%
11)Charging time: 3-4H
12)Playing time: 1-2H
13)Support FM radio function
14)Support 3.5mm audio AUX function
15)Support A2DP/AVRCP and handsfree function
16)Support MP3/WMA,etc.
17)Support USB disk/Micro SD card
18)Color: Multi-color