Features: brand new and high quality 10m transmission without stuttering low energy chip, fast and easy connection to achieve lossless transmission quality, transmission is faster and more stable. High-quality subwoofer, sunken design, the sound of reflection is presented to the listener's ears 360-degree all-round, 6d lossless surround hifi, 360-degree surround sound is full, pleasant sound, trembling heart! Multi-mode Playback: This speaker can be plugged into a USB flash drive to for play your favorite songs. It has a built-in lithium battery. You can also use a USB cable to connect to the USB flash drive port to charge the speaker. Simple Operation: Wireless charging speaker, simple one-key operation, small size, excellent sound quality, suitable for bedroom, office, living room or kitchen. Wireless and USB Charging: With the wireless charging panel and USB charging port, you can charge two devices at the same for time. The 2 charging coils allow you to charge the phone vertically or horizontally, thereby increasing the charging range. Specifications: Material: ABS Color: Black, Gold, Rose Gold, Silver Product Dimension: approx. 21.5x6x4.5cm/8.46x2.36x1.77inches Net Weight: 470g/1.04lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1PC Wireless Two-channel Subwoofer Speaker