LENRUE Bluetooth 4.2 Wireless Speaker for 10 hrs Music Streaming & Hands-Free Calling / 3W + 3W Speaker,Built-in Mic, 3.5mm Audio Port, 1500mAh Rechargeable Battery for Indoor & Outdoor Use. Why you choose our Bluetooth speakers? Warranty -- LENRUE A10 Bluetooth Speaker provide 12-month worry-free technical support and after-sales service. High Quality Crystal Clear Sound -- Deep bass HD 3W + 3W watt loud speaker for both active outdoor and indoor use.Enjoy your music through dual high-performance drivers and unique enhanced bass. Long-lasting Playing Time -- Built-in Li-Ion rechargeable battery guarantees up to 16 hours playtime in 60% volume. Recharge in just 3-4 hours with included micro USB cable; Ultra-portable speakers perfect for travel & hiking, easy to fit in bag or backpack. Rechargeable Li-ion Batteries for up to 10 hours of playtime at 2/3 volume on a full charge. Broad Compatibility -- Perfect Fashionable and stylish design with solid performance and universal compatibility for iPhone, iPad, Echo Dot, Echo, Samsung Galaxy, Samsung Note, Smartphone Mac, Windows laptop, computer, Chromebook and other Bluetooth enabled digital players or media devices with aux port. Specification Battery Capacity: 1500mah Playing Time: about 16 hours Bluetooth Range: up to 33 feet TF Card Maximum Capacity: 32gb What\'s in the box LENRUE A10 Bluetooth Speaker x 1 USER Manual x 1 USB Cable x 1 3.5mm Audio Line x 1