[Loud Stereo Sound and Powerful Bass] Deliver surprisingly loud and well-balanced sound with virtually no distortion through 2 drivers by our proprietary technology. Enjoy up to 10W Louder Volume, Crystal Clear Stereo Sound, Active Extra Bass by the two Passive Radiators. [Waterproof on Both Bluetooth Speaker and Fanny Pack] It was designed with waterproof feature on both the Bluetooth Speaker and the Waist Pack to meet your vairous circumstances request,No matter you are sweating profusely after a long time running or need to pour a bottle of cold water over the ,just to do it without hesitation,the inside things without be moisture and the music is still going on. [ Fabrics] The Fanny pack keep its own shape without deformation by the fabrics material,which is high gloss finishing, , waterproof and light-weight material. [Rechargeable Battery and Adjustable Belt] The Bluetooth Speaker has been built in two rechargeable 550mAh lithium battery to extend your sporting time,just enjoying your by hands free music. The fanny pack strap can be adjusted from 20-50inch, suitable for men women and kids. [The Large Capacity] Gifts for Women Men,Enjoy Activities and -Free: Easily hold the most needed items with our large fanny pack,Including the most biggest size phones,passport,keys,ID,standerd water bottle and even a short umbrella. Perfect for activities such as Running,Walking,Cycling,Hiking,jogging dog walking,Shopping,Traveling,,Festival and so on. A great for Women Men Children Friends and Families. Let's enjoy a better festival time! Bluetooth Version:5.0 Enhanced Output Power:4ohm 8W RMS(Max 10W) Frequency response:80Hz - 20000Hz Battery Type:3.7V /550mAh Charge input:DC 5V/450mAh Music playing time:6-8 Hours (Varies by volume level and audio content) Colour:A:Black Material:600D Oxford cloth Package Contents: 1 x Fanny Pack Bluetooth Speaker 1 x USB Cable 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.