Sing along in the shower to your heart's content with this splash proof speaker from Bush. It easily fits to the bathroom wall and connects to your device using Bluetooth. And with 7 hour battery life, it can play your favourite tunes for as long as you want to lounge by the pool. 1 speaker. Bluetooth compatible. 3 watts. 1 amplifier channel. Frequency 150Hz-20000Hz. 0.6cm mica-reinforced cellular woofer. General information Model number: bt-856b. Size H6, W8.8, D8.8cm. Speaker diameter 8.8cm. Power from USB. USB cable included. Batteries required 1 x Li-Ion batteries (included). Battery life: 7 hours. (not included).