Ivation IVA-400 Waterproof Wireless Bluetooth Shower Speaker and Handsfree speakerphone for All Bluetooth Devices, BLACK Compatible with any Bluetooth media player or phone - works great with apple iPhone 5 Series, Android Devices and phones, Samsung S-Voice, Google Music, Pandora and all other audio APPs on your android or iPhone. 2 Key features where updated 1: The battery was upgraded. 2: The phone volume is now leveled with the music volume. Auto Pairing Feature: Pairs your device with the Ivation speaker automatically when it is in range of the speaker. Waterproof (Rated IPX6) Can withstand powerful water jets - Built in Echo cancellation and Noise suppression. Run time: up to 25 hours; (If the unit has not been used for more than 10 days, please charge it before using)