Overview --Bionic Design The aesthetic feeling has been upgraded in an all-around way, and it has been redesigned by imitating the special shape and texture of mushrooms. After continuous refinement and optimization in the later period, it has given a new fashion to the mini-speaker. Product Information: Power supply mode: built-in DC...3.7V, 400 mAh rechargeable lithium battery, charged through Micro USB interface, charging voltage DC..5V Bluetooth version: 5.0 Bluetooth communication range: ≥ 20 meters Power: 4w Speaker Specifications: 5W; 4 Ohm Product weight: 68g Product size: 55mm x 55mm x 55mm Packing List : MachineX1 charging cable X1 manualx1 Product Image: