The extremely rugged Savox BTR-155 Bluetooth Remote Speaker Microphone is ideal for broadband users in Push-to-Talk (PTT) transportation, utility and manufacturing industries. Much like a speaker that would be attached to a portable radio, this wireless remote speaker microphone works with a PTT application on a mobile phone. It's designed to the IP55 standard (dust and water resistant), is lightweight and has large, multi-function buttons for easy use. The Bluetooth Remote Speaker Microphone enables workers in rugged environments to work more efficiently -allowing them to manage PTT communications with the push of a button, never taking their gloves off or their smartphone out of their pocket. It is compatible with all leading PTT applications. Rugged construction Dust and water resistant, the Remote Speaker Microphone is ready to brave the elements. The Bluetooth Remote Speaker Microphone features durable construction and an ergonomic design so it's easily held in the palm of your hand. A rotating belt clip makes it easy to keep it at arm's length when not in use. Functional layout Large volume buttons on the side of the microphone let you easily toggle the volume up and down. A multifunction button on the front of the microphone is used to easily answer calls from a smartphone. Efficient communication The Bluetooth Remote Speaker Microphone offers both full duplex communication capability (for normal phone calls), and one-to-many push-to-talk capability**. Users will experience superior audio quality (up to 100dB) for clear calls when needed most and get up to 30 hours of talk time* before the wireless microphone requires a charge with the included USB charger. A noise-canceling microphone makes it ideal for use in noisy environments. An included 3.5mm headset jack enables connection to a headset or earpiece for private conversations. What's In the Box One Savox BTR-155 Bluetooth PTT Bluetooth remote speaker microphone and Headset, USB cable and charger, Mono earpiece, Carrying strap and Quick guide. *Battery power consumption depends on factors such as network configuration, carrier network and, signal strength. **SW configuration required for each mobile OS. Compatibility information available from Savox.