1. Waterproof IPX7 Wireless Speaker  2. Bluetooth Version: Jieli 5.0+EDR  3. Built-in lithium battery: 600mAh  4. Speaker Size:52mm  5. Power output:5W  6. Power input: DC 5V  7. Bluetooth Distance 10M, call hands-free function  8. Support :TF/USB/FM/AUX/BT