At a Glance... Two 5 Watt speakers bring this speaker and impress 10 Watt of Audio output A huge 4000mAh battery brings plenty of usage time and lets it double as a power bank Bluetooth 3.0 connectivity let you wirelessly connect to your Smartphone, tablet and many other devices Multifunctional gadget incorporates Speaker, power bank and flashlight into one super device General Bluetooth Version 3.0 Bluetooth Range: Up to 20 meters Bluetooth Transmission Power: CLASS2-4dBm Bluetooth Working Frequency: 2.4GHz Speaker: 2x 5W External Memory: Micro SD card support up to 32GB (max) Support Power Bank Support Weatherproof Charging voltage: DC5V/500mA Power Output: 5V 1A Battery Capacity: 4000 mAh Charging Time: About 5 Hours Music Playing/Talking Time: about 8 Hours THD: Up to 0.1% Signal to Noise Ratio: Less than 90dB Flashlight Ports USB AUX in Micro SD card Micro USB Dimensions Main Product Dimensions: 172 x 61 x 42 mm (L x W x D) Main Product Weight: 295g Package Contents Bluetooth speaker USB Cable AUX Cable User Manual