Sonim Rugged Performance Standards Certified Extended Battery Life Extra Loud Speaker Water and Dustproof Push to Talk Plus 4G LTE HD Voice Capable Industrial Grade Accessories Built tough. Count on your Sonim XP5 to be ready when you need it. Tested to surpass military standards with an IP68/IP69 rating to withstand shocks, drops, splashes, dust, pressure-wash at high temperatures, shakes, and extreme temperatures.* Built tough. One-Touch Push to Talk Plus (PTT+). One-Touch Push to Talk Plus (PTT+). Instantly talk one-on-one or one-to-many over the 4G LTE network or Wi-Fi with one press of the dedicated PTT button. Loud and clear. Keep in touch, even on a noisy jobsite, with the Sonim XP5’s extra-loud 104dB dual forward-facing speakers. Loud and clear. Peace of mind. Peace of mind. A three-year comprehensive warranty that covers even accidental damage lets you feel confident that your phone will be there when you need it.