Features: 1.Super compatible, Macaron small speakers are compatible with most wireless devices, mobile phones and tablets. 2.Distance transmission, you are not afraid of being unable to connect, you can listen to wireless music within 10 meters. Built-in 300M/AH capacity battery, fully charged state can be played continuously for 2 to 3 hours. 3.Listen to wireless, unlimited extension. HiFi surround sound effects allow you to immerse yourself in the world of music. Specifications: Product model: W1 Bluetooth solution: Jerry 4.2 Body material: ABS spray rubber oil + silicone Other functions: hands-free speaker Power: 3W Battery capacity: 300MAH Working time: 2~3 hours Effective distance: within 10 meters Product net weight: 146G Product gross weight: 170G product Size: 70*70*42MM Accessories: USB charging cable Package Included: 1*speaker 1*charging cable Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.