2016 High quality hot selling Mini portable Bluetooth speaker

 2016 High quality hot selling Mini portable Bluetooth speaker     (1). Patent original special mini apple look.
(2). Stand hands-free calls.
(3). Audio in: Line in & Bluetooth.
(4). English voice prompts.
(5). Simulated dual microphone noise reduction.
(6). Connecting to two miblies at same time.
(7). Material is Acrylic + ABS.
(8). NFC or non-bluetooth can customized.   Compliance: Bluetooth V3.0 +EDR
Operation distance :≤10M
Operation frequency: 60HZ-20KHZ
Impedance: 4Ω
Receiving Sensitivity (TYP):-90dBm
Output power: 3W
Audio signal -noise ratio(SNR): >65dB
USB charging voltage: DC 5V
Working voltage: 3.7V
Power: Rechargeable 400mAh lithium-ion battery
Working: 4 - 5 hours on middle volume (60%)