Features: brand new and high quality 5.1 technology, for all wireless-enabled devices, instantly connect to your smartphone or tablet, and automatically reconnect to the last used device next for time you use it. Mini design, 5W high power, surging , it can satisfy you and your family and friends to enjoy music at parties and gatherings. Simple and stylish design, our for vision is to make a small wireless speaker with wireless , it is just a speaker, so you can use it anywhere. We gave up the microphone, 3.5mm jack and unnecessary buttons and other functions, leaving only a silicone button. Support wireless stereo pairing, this mini speaker will surprise you with its sound and mini size, and make the sleeve party cheer! This speaker is small in size and uses 5W full-range speakers and a hidden passive radiator at the bottom to provide amazingly rich audio and clear sound. Specifications: Product Name: Wireless Speaker for Shell Material; Abs+silicone Color: White, Black, Blue Connection Method: Wireless Connection Input: for Dc 5v/400amh Built-in Battery Capacity: 300amh Frequency Response Range: 200hz-20khz Signal to Noise Ratio: 70db Use Time: 1h Charging Time: 15h Material: ABS Color: Black, Blue, White Product Dimension: approx. 5.3x5.9cm/2.08x2.32inches Net Weight: 140g/0.31lbs 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: 1x Mini Portable Wireless Subwoofer Speaker 1x Manual 1x USB Charging Cable