Bluetooth Allows Wireless Music and Call Answering in the Shower – Compatible with Any Bluetooth Media, MP3 Player or Smart Phone – Waterproof Protected Against Water Splashing from Any Angle – Hands Free Speaker Phone – Accept Calls while Showering With Its Built In Microphone – Large Easy to Use Controls for Music Play Back and Answering Phone Calls – AUX: 3.5mm jack – Full range speaker – Rechargeable Through USB Cable Charger – Power source: DC 3.7V , 400mA – Impendence of speakers: 3W , 4 Ohm – Battery parameter: 3.7V 50mA – SNR: >60dB Accessories: – 1 x User manual – 1 x Audio cable connection cable with 3.5mm jacks – 1 x USB CABLE