S5 2018 Best Selling Gift Mini Portable Speaker, Compact Mobile Wireless Bluetooth Speaker




Specification:
Connection: Bluetooth / AUX (audio input) / TF card
Charging voltage: DC5V
Output power: 3W
Impedance: 4 ohms
Battery capacity: 2000MaH 18650
Bluetooth version:  4.2
Frequency range: 2.40G-2.480GHZ
Transmission distance: <10M
Charging time: 4H
Use time: 8H (60% of the volume)
Distortion: <5%
Signal to noise ratio:> 75dB
Sensitivity: (-90dB)
Call effective distance: 1 meter