Highlights1 Portable detachable and adjustable shoulder strap up to 120cm long 2 Mesh cover for protect speaker from water, dust, shock 3 IPX5 waterproof, dustproof, shockproof 4 Big power with two bass diaphragms on each side, vibrate when playing music 5 Cylindrical shape and built-in left and right channel 360 stereo 6 Call function, noise canceling microphone makes you answer calls without reaching your phone 7 FM receiver makes you listen to the radio freely 8 Support MP3, WMA, WAV, FLAC, APE format music files 9 Support TF Card or misro SD Card up to 32G, support USB 2 0 Disk 10 Support external MP3 / MP4 / computer and other o input function (AUX)12 Easy button control, you can press buttons to turn on/off, play/pause, switch mode, skip songs, adjust volume etc 13 Bluetooth 5 0, compatible with all Bluetooth devices 14 4400 mAh battery for up to 10 hours of playtime at 2/3 volume on a full charge 15 Large size, length up to 28cm, great for yard 16 It's not only a bluetooth speaker, but also a radio, a wired speaker, a bass boom box SpecificationBluetooth version: 5 0Bluetooth distance: