- Bluetooth version: BluetoothV2.1+EDR<br>- Music format:MP3/WMA/WAV/SBC<br>- Working range:10-15 meters<br>- Battery Capacity:500mAh<br>- Battery charge time: 3-4 hours<br>- Talking time: 2-3 hours<br>- Speadker: 45mm<br>- Loudspeaker output: 3W<br>- Signal-to-noise ratio: &gt;95dB<br>- Frequency response: 280HZ-16KHZ<br>- Lithium-ion battery input: DC5V<br><br>Package Content<br>1 x Bluetooth Speaker<br>1 x Cable<br>1 x Manual<br><br><img src="https://gdetail.image-gmkt.com/117/718069380/2017/12/7029c56f-8f43-42cb-a78d-c7ae17b9bfd2.jpg" ><br><img src="https://gdetail.image-gmkt.com/117/718069380/2017/12/eacac30f-8096-4991-99ca-1d6da60ab1f4.jpg" >