Features: 2 in 1 design, not only is wireless bluetooth-compatible loudspeaker, but also a wireless charging dock, with a maximum wireless charging distance of 8mm. 3W quality internal magnetic loudspeaker with sound effect, with a full and layered sound. High performances BLE5.0 chip, more stable and faster, with longer transmission distance (turn on bluetooth-compatible, automatic matching, automatic connection). Build in 300mAh battery, fast charging and long working time. Intelligent foreign object detection, automatic recognition of devices without wireless function, with over temperature protections. Specifications: Material: Plastic+Electronics Size: about 80.6x75.3mm/3.17x2.96inch Bluetooth-compatible version: BLE5.0 Input: DC5V/2A Wireless charging power: 5w Wireless charging output: 5V/900mAh Battery: 300mAh Charging time: 1-2hrs Working time: 1-2hrs Output: 3Wx1 Package Includes: 1pc Wireless Bluetooth-compatible Loudspeaker note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.