Specifications:Portable mini mushroom bluetooth-compatible speaker.High definition bluetooth-compatible compatibility with all bluetooth-compatible enabled digital players.It can be used for answering calls, so it is ideal to have stuck in your car where you can use it as a hands-free device as there is even a built-in microphone.With a built-in 220mAh Li-ion battery which has a constant playing time of about 2.5 hours and a standby time of about 12 hours, giving you ample amount of usage.Functions:Microphone function.Hands-free mode and receive calls.Super sucker function. (With 2mm thickness grade silicone sucker.)Subwoofer function. (Full-band speaker.)Anti-shock, anti-drop.Type: bluetooth-compatible SpeakerCase Material: ABS, Silicone, MetalBluetooth Version: V2.1USB Input Voltage: 5VCharging Time: 2 HoursBattery Capacity: 220mAhPlaying Time: 2 HoursSpeaker Rated Power Output: 3WLithium Battery Specification: 3.7VSNR: 90Hz - 20K / 65dBFunction: SBC / MP3 / AAC Audio Decoding FunctionCompatibility: A2DP / AVRCP High-quality Stereo Audio Transmission and Remote Control ProtocolBluetooth Used Bandwidth: 2.4000GHz - 2.4835GHzEffective Wireless Transmission Distance: Up to 10 MetersFeatures: Wireless, Mushroom Shape, Cute, with Sucker, High Compatibility, Built-in Battery, Longer Playing TimeNote: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Package Includes:1 x Mushroom bluetooth-compatible Speaker1 x USB Cable1 x User Manual