Rayhome V2 bluetooth 4.2 speaker With 2x44mm total 20 watt speaker drivers, V2 plays an incredible sound you can ever hear in such a portable size; ; IPX6 rating prevents the bluetooth speaker from water, sand&shock perfectly, great for outdoor sports like camping, hiking, swimming & kayaking. It is also a great bluetooth speaker for shower. What makes it also different from other fellow speakers is that it has a really rugged but soft touch design. You can also use it as a remote selfie control with one button. And having said it as a bluetooth speaker, you can also play music via non-bluetooth by using included Aux-in cable or SD/TF card. Note:the Bluetooth version of the speaker is 4.2, the Bluetooth connection may fail if the Bluetooth version of the tablet pc/laptop is lower than 4.2. In this situation, it only can work by using the USB cable to connect. Technical details: Bluetooth: Bluetooth 4.2 Effective Distance: 33ft/10m Rated Power: 2X10 Watt Battery: Built-in 7.4V 2600mAh Li-ion rechargeable battery Dimensions: 8.8 x 3.25 x 3.15 inches (LxWxH) Weight: 1.7lb Contents: (1)Rayhome V2 Waterproof Speaker, (1) Micro USB, (1)3.5mm Audio Cable,(1) User manual,(1)Travel Carrying Bag Case.