1. Seamless fit: specially designed for Soundlink flex audio. (only sell silicone protective sleeve, excluding loudspeaker) 2. Provide effective protection: compared with the traditional silicone cover, you can directly without removing the cover, which will play an excellent role while protecting the speaker without damaging the sound quality. 3. Unique design: there is a control button on the side to control the increase and decrease of volume, and turn on / off the power supply of speaker for speaker without removing it. With hollow design, it is convenient for heat dissipation 4. High quality raw materials: the protective cover is made of soft silica gel, , non- and environment-friendly. It can protect the speaker from falling, bumping, scraping and scratching when carrying. 5. Portable travel: equipped with a metal mountaineering buckle, which can be hung on the backpack, which solves the inconvenience of outdoor sports or travel Compatible: for SoundLink Flex portable speaker Colour:Black Material:Silica gel Package Contents: 1 x Bluetooth Speaker Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.