iNINJA(TM)Waterproof Bluetooth Speaker V4.0,Outdoor & Indoor Portable Shower Speaker Built-In Rechargeable Battery with Holder for Bicycles,Backpacks,color:green bluetooth speaker Technology, Connect your device in 3 seconds, Outstanding connection range of up to 10M. Play your music direct from MicroSD card as a MP3 player. Built-in microphone makes it a hands free speaker phone. holder mount plus Rubberized and impact-resistant exterior is sealed and designed to ensure waterproof, shockproof and dustproof protection against all elements and environments (shower, beach, pool, rain). Suitable for the toughest outdoor activities in the harshest environments including hiking, cycling, camping and mountain climbing. FAST RECHARGE: 1000MA lithium polymer battery, Fast rechargeable battery can last up to 6 full hours of playback time (at 70% of max volume),Aux cable is included to connect directly to your device to save power and enjoy for countless more hours. Designed as a Outdoor Speaker and Shower Speaker - Unique Rugged Square Design with Waterproof speaker, Shockproof speaker, Dustproof speaker and functions make it suitable for Outdoors and Shower. Please note the wireless speaker cannot withstand being partially or fully submerged in water or being dropped into water. 100% SATISFACTION GUARANTEED: 2 Years warranty by iNINJA!