Vway Portable Sport Speaker， Waterproof Wireless Speaker， Bluetooth Speakers 4.0 Built-in Mic 4000mah Rechargeable Battery 12 Playing Hours[Product Information]- Surround Sound Stereo BoomBox - 10-watts(2*5W) drivers offer full high-definition surround sound. 2.0 sound track audio deliver rich and comfortable listening experience. Enhanced bass and high-fidelity audio， enjoy the music at all frequency with pleasure.
- Bluetooth CSR 4.0 Technology - Bluetooth speaker 4.0 and CSR chipset connects faster， more stable， compatible with all your Bluetooth-equipped devices， and Outstanding connection range of up to 33 feet.
- Hands-free Calls - Built-in HD microphone allows use this Wireless Bluetooth Speaker as a speakerphone， so you can enjoy hands-free calling.
- Power Bank - Built-in rechargeable 3.7V， 4000mAh lithium-ion polymer battery for up to 12 hours playtime and quickly recharge your cell phone or tablet.
- Waterproof Dustproof and Shockproof - Durable rugged with rubberized covering and strong metal mesh， The portability is endless， great for indoor， outdoor， sport， camping， hiking， climbing， riding etc.
