【5200mAh Power Bank】Built-in 5200mAh Rechargeable power bank,with USB port,recharge your phone,iPad,MP3 player in urgent need. 【Powerful Stereo Sound】Super-portable Bluetooth speaker delivers powerful sound and robust bass through an advanced dual 5W driver and passive subwoofer. Perfect for home, parties, outdoor activity, Christmas gift. 【Extensive Connectivity】Utilizes Bluetooth 4.0 technology for seamless device linking and a 33ft connection range.Compatible with Bluetooth devices including iPhone, iPad, iPod,Android Smart phones, Tablets. Support Micro SD Playing, AUX capability provide endless audio options. 【Long Battery Life】2 hours charge lasts 12 hours of endless music at 2/3 volume and 360 hours standby time. So much better for travel and hiking,superlight and easy to fit in your backpack,baggage. 【IP65 Water Resistant 】Water resistant IPX5 rating make it splash-proof, rain-proof, dust-proof, drop-proof.without worry that it cant work in case of falling to ground. Perfect companion for you to to everywhere. Whether you're bicycling with friends, hiking ,mountain adventure, boating ,enjoying barbecue with family, playing at pool side, beach or camping ,when you need music you will enjoy a high quality stereo sound with impressive volume that's easy to move around and place in the perfect spot. 3 ways to connection: 1. Bluetooth 4.0 technology: Provides a several-second and stable paring with your Bluetooth enabled device ,offering you impressive dynamic sound even you are 10 meters away from your device. 2. SD card playing: Plug in and play automatically up to 32GB Micro-SD card .When the SD card is inserted again,the headset chip will automatically play the song the last time you listen. 3. 3.5mm audio input: It can be used as wired with audio cable included to play,pause and play. Specifications: Connection: Bluetooth 4.0 Water Resistance: IP65 Output Power: 5W×2 Battery Capacity: 5200mAh Range: up to 33 feet Weight: 450g Package included: 1* Bluetooth speaker 1*User manual 1*3.5mm audio input line 1*Micro USB Cable 1*Micro-USB cable (for charging) 1*3.5 mm audio cable (AUX-in cable)