There are four rubber pads at the bottom, which can not only increase the friction, but also reduce the resonance between the sound and the desktop to improve the sound quality. The speaker uses dual loudspeakers and dual sound holes, which can provide you with stereo surround sound effect. Made of electronic component and wood material, it is solid and durable. The length of the product is 37cm, the width is 9cm and the height is 7cm. It is suitable for outdoor, travel, party, home and office, etc. Using Bluetooth-compatible 5.0 HD-compatible decoding, it has fast connection and stable sound quality. It has creative rotary switch design and can light up the warm ambient light at the same time. Item Name: Bluetooth-compatible Speaker Material: Wood,Electronic Component Model: E350M Bluetooth-compatible Version: 5.0 Connection Mode: 3.5mm Audio Cable, Bluetooth-compatible Speaker Adjustment Mode: Knob Transmission Distance: Over 10m Features: Portable, Stereo Sound, Ambient Light Size Details: 37cm x 9cm x 7cm/14.57" x 3.54" x 2.76" (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 Bluetooth-compatible Speaker 1 x User Manual