bluetooth wireless speaker, maketheone portable waterproof and wearable outdoor speaker with 3.5mm aux microsd input hifi bass for mountain bike bicycle electric scooter (black) m maketheone <br> <b> plays music via bluetooth, microsd card or aux line </b> <br> goes-anywhere bullet cylinder shape & 3.5" size <br> 10-hour (mid audio range) built-in rechargeable 820mah battery <br> 3.5-ounce weight makes it perfect for joggers etc. <br> <br> <b> music moves you? move your music. </b> <br> designed for optimal portability, it has all the features you would look for in a bluetooth speaker, the 32mm upfiring speaker cone is precisely fitted to the grill on the front of the device, and cranks out a forward-singing 2 watts sound blast. <br> <br> <br> <b> what goes in comes out </b> <br> streaming your music over bluetooth is just one way of feeding the speaker. <br> <br> <br> <b> pressing matters </b> <br> the speaker cylinder design incorporates quick-access music control buttons. play, pause, stop, song forward, song back, volume + / - controls are located on the sides of the speaker. <br> <br> <br> material: silica gel <br> power supply: dc+5 v <br> output power: 2w <br> battery capacity: 850mah rechargeable li-po <br> storage type: micro sd card <br> plays music via micro sd card or aux line <br> file format: mp3 <br> support memory: maximum 32g <br> product specifications: 43 mm(diameter) * 90 mm(high) <br> interfaces: mini usb, 3.5mm headphone jack, tf slot <br> weight:102g <br> speaker colors: blue/ black/ red/ green <br> <br> <br> <b> packing list: </b> <br> mini bicycle speaker x1 (black color) <br> usb cable x1 <br> set of mount accessories x1 <br> instructions x1 (printed on the package)<br> <br> <b> note: </b> the bullet is a speaker only and does not have call-answering capabilities.