Jam Tunes Box Sports Speaker - Wireless Portable Rugged Waterproof Bluetooth Compatible Sound Stereo with, AUX In Jack, Rechargeable Battery - iPhone, Android, iPad, MP3 - Pyle Sport PWPBT15BL (Blue) BLUETOOTH COMPATIBLE: This jam tunes box speaker is compatible with bluetooth and works with all your favorite devices like iPhone, android, smartphone, iPad, tablet, MP3 player, PC, and more with a wireless range of 33 feet HANDS FREE CALL ANSWERING: Equipped with a built in microphone, this portable speaker allows you to answer calls wirelessly with just a press of a button. You can also dial on your device and the call is automatically transferred to the speaker 3.5 MM AUX JACK: Aside from bluetooth you can also stream music from additional external devices using the Aux-In (3.5mm ) jack. This device has a frequency response of 60 - 20,000Hz and 4 ohm for full range stereo sound and bass output SHOCK RESISTANT: This splash proof audio speaker system by Pyle features a rubberized, water and shock resistant design which is perfect for adding music while doing sports, working out, or just relaxing on the beach or pool RECHARGEABLE BATTERY: This device is also equipped with a lithium 3.7 volts 400mA rechargeable battery with 6 hour average life so you can enjoy your music anytime, anywhere. The product comes with a USB charging cable