Features:1. High-gloss lacquer: This speaker has been polished by multiple processes, and it feels smooth and does not delay the sound.2. Super durability: Wire wound ceramic resistor and high-quality metal film capacitors, ensure large load power, long-term durability, hard to burnout.3. Small design: Slim design combine with advanced sound technology. Slim and light weight desig will be the perfect match with home, Decor your home with this speaker.4. Wireless connection: Enjoy wireless fun and you can also turn on two speakers to easily create stereo.5. Perfect sound quality: Make the treble clear and increase the intensity of the bass, freely enjoy clear and natural music, speaking, songs of bass or treble.Description:This speaker uses USB power supply setting and 3.5mm audio interface, which is compatible with most electronic devices on the market.Specifications:Size: 64*61*86mmInput power: DC5VFrequency response: 25HZ-20KHZPower supply: USB DC5VAdjustment form: wire-controlled volume adjustmentSpeaker specifications: 2* 50mmSignal to noise ratio: 280dbInput interface: 3.5mm stereo inputPackage Included:1 * Mini SpeakerNotes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.