Bluetooth Speaker Waterproof Wireless Portable Loud Stereo Bass USB/TF/FM RadioFREE SHIPPINGONE-TOUCH SWITCH for Music and CallA built-in noise and echo cancellation talk speaker for the crystal-clear calls should be at the touch of a button, music/call switching is so easyIPX5 WATERPROOFHigh-strength waterproof and dustproof can effectively prevent sweat rainPX6 CLASS WATERPROOF AND DUSTPROOFNylon based music mesh encapsulation is designed for outdoor use without worrying about rainy daysSpecification1. Wireless version: 4.22. Transmission range: 10M3. Audio frequency noise ratio: 95dB4. Battery capacity: 1200mAh5. Built-in voltage: 3.7V6. Playback long: 2-4H7. Horn size: 52mm*28. Horn power 4 Omega: 5W*29. Charge input: 5V/500ma11. Single machine size: 79.8*75.8*168MM