Long-lasting battery: Enjoy up to 12 hours of music playback with the built-in 1200mAh rechargeable battery. Superior sound quality: Experience natural and balanced bass output without any cracking or hissing, thanks to the 40MM 16-core full-range loudspeaker. Easy control: The multifunctional physical buttons on the top of the speaker eliminate accidental touch and allow for precise control of its functions. Powerful bass: The 3W speaker is equipped with a heavy bass diaphragm, delivering rich and balanced bass for a live performance-like experience. Immersive sound: Immerse yourself in a surround sound effect and enhance your music listening experience. Item Name: Wireless Speaker Material: ABS Speaker: 3W Speaker Size: 2 Inches Bluetooth-compatible Version: 5.0 Input Method: Bluetooth-compatible, U Disk, TF Card, AUX Audio Port Battery: 1200mAh (Included) Charging Time: 2-3 Hours Charging Requirements: DC5V/1A~2A Charging Interface: Mini USB Frequency Response Range: 100HZ-20KHZ Signal-to-noise Ratio: 70dB Number of Speakers: 1 Effective Distance: 10 Meters Rated Voltage: 3V Waterproof Rating: Not Waterproof Features: Bluetooth-compatible, Portable, Stable Transmission Size Details: L: 8.2cm/3.23", W: 5.9cm/2.32", H: 5.7cm/2.24" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Wireless Speaker 1 x USB Cable