DescriptionUsing a combination of 5W magnetic horns and subwoofer diaphragms, in a row, the overall vertical conduction allows the sound to be exported along the arc, giving you a more three-dimensional sound and giving you the most perfect listening experience.Feature- Color: Black.- Material: Aluminium.- Size: Approx. 9.1 x 4.7 x 2 cm.- Output: 4*5W- Frequency response: 200Hz-20kHz-version: v4.2-communication protocol: A2DP, AVRCP, HFP, HSP-communication range: 10 meters (accessible)- Charging time: about 2 hours- Talk time: 4 hours- Small size, easy to carry, conclude wirelessspeaker and MP3 player in one.- Metal frame design, CNC fine processing technology.- Leather high temperature pressing process, wear-resistant and shockproof.- CD pattern diamond shiny metal button, excellence, assurance.- Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!