A005 Portable Wireless Bluetooth Speaker Compatible with All Android and iOS Devices and Smartphones (Multicolor) FEATURES.. *Speaker With Extra Bass is waterproof to suit your active, outdoorsy lifestyle. *Being totally portable it can be used all over the home and even outdoors for all occasions + the high quality music. * It also features playing options via USB and micro SD. *Transmission range: about 10m/29.53ft Audio noise ratio: 90db *Battery capacity: 1200mAh Built-in voltage: 3.7V Play time: 2H-3H Speaker.