Sharp SHARP WS-BL1-B [Wireless Speaker System Sound Ball Black] This product is brand new and unused. All accessories are included. The power has not been turned on. Bluetooth compatible 3W high-power amplifier It is equipped with a 3W output amplifier despite its small size. Therefore, you can enjoy more powerful sound than the built-in speaker of a smartphone. Built-in lithium-ion battery It has a built-in lithium-ion battery that can play music for approximately 8 hours on a full charge. Also, the charging terminal uses the same micro USB as smartphones, so you can share a charging cable with your smartphone. Waterproof for use anywhere It complies with the IPX4 waterproof standard. Because it is waterproof, it can be used in places where water splashes, such as the kitchen. #WS-BL1-B #Smartphones/Cameras/Audio SHARP WS-BL1-B