Robot Shape & Plastic Shell: This speaker features a cute robot design, perfect as a decoration for your living room or bedroom. The exterior is made of environmentally friendly ABS plastic with a sprayed surface. Wide Compatibility: Utilizes Bluetooth 3.0 chip for faster and more stable connection. Fully compatible and supports all Bluetooth devices, such as laptops, mobile phones, and tablets, regardless of iOS, Android, or WIND10 systems. Stereo Surround Sound: Employs stereo surround sound, 5W power, 53mm suspended speakers, and a 360° closed design to create powerful bass and a rich, pleasant midrange. (AUX audio cable and external microphone not included.) Portable Power Bank: Built-in 2200mAh lithium battery supports powering external devices. Connect USB night lights, USB fans, and other USB devices to the speaker. Easy to carry when you go out. Multifunctional Player: Supports up to 16G memory card playback for MP3 music, AUX input interface for connecting wired player equipment, and voice calls. An external microphone can be connected via a 3.5mm audio jack, adding a karaoke function. Item Type: Speaker Material: ABS Model: M10 Power: 5W Impedance: 4Ω Speaker Unit: 53MM Magnetic Suspension Speaker Frequency Response Range: 150Hz-20KHz Bluetooth Version: 3.0+ Receiving Distance: Approx. 15-20m / 49-66ft in a straight line without obstacles Frequency: 2.402-2.48GHz Distortion: <1%-2% Input Voltage: 5V Battery Capacity: Built-in 2200mAh lithium battery (included) Receiving Audio Frequency Segment: 87.5-108MHz Basic Functions: Portable power bank, Bluetooth player, memory card playback, AUX input, voice calls, MP3 playback, USB one-line communication Scope of Application: Family, outdoor, entertainment, party, etc. Enjoy your favorite tunes with this versatile and fun robot speaker! It's a speaker, a power bank, and a stylish decoration all in one.