Specifications: Bluetooth 5.0 Working distance: up to 10 meters Power: 2x5W Clock function Wake-up function FM radio Inputs: USB, Line, microSD card reader (not included) TWS (True Wireless System) support, can sync two speakers to create a stereo system and double the power. IPX4: protected against splashes of water Hands-free function Rechargeable battery of 1200mAh Usage time: 3 - 4 hours Input: 5V/500mAH Speakers: 2 x 52mm (diameter) Dimensions and Weight: Dimensions: 189x64.8x84.5mm Weight: 536g