1Robot Shape and Plastic Shell: The speaker adopts a robot shape with a cute shape and can be used as a living room or bedroom decoration. The exterior is made of environmentally friendly ABS plastic, the surface is sprayed. 2Wide Compatibility: Using 3.0 Bluetooth chip, faster and more stable connection. Fully compatible and supports all Bluetooth products, such as notebooks, mobile phones, and tablets, not restricted by for iOS, for Andriod, for WIND10 and other system platforms. 3Stereo Surround Sound: Using stereo surround sound, 5W power amplifier, 53mm suspension speakers and 360 closed design, it creates powerful bass and rich and pleasant midrange. (not equipped with AUX audio cable and external microphone.) 4Portable Power Bank: Built in 2200mAh lithium battery, support to supply power to external devices, while using the robot speaker, you can connect USB night light, USB fan and other USB external devices to the speaker. Easy to carry when you go out. 5Multifunctional Player: Supports up to 16G memory card playback for MP3 music playback, AUX input interface to connect wired player equipment, support voice call. An external microphone can be connected through 3.5mm audio jack, adding a karaoke function. Item Type: Speaker Material: ABS Model: M10 Output Power: 5W Impedance: 4 Speaker Unit: 53MM Magnetic Suspension SpeakerFrequency Response Range: 150Hz-20KHz Bluetooth Version: 3.0+ Receiving Distance: Approx. 15-20m / 49-66ft in a straight line without barriers Frequency: 2.402-2.48GHz Distortion:1 x Bluetooth Speaker 1 x Data Line This smart Bluetooth speaker is not equipped with AUX audio cable and external microphone, if necessary, you can equip it by yourself.