Bluetooth Operation Critical Wireless RSM IP55 - With battery and clip

Audio Jack: Yes
Volume Control: Yes
Emergency Button: Yes
Range: Up to 10m from Radio
Intrinsic Safety Standard: No

Compatible with DP4401/e, DP4601/e, DP4801/e, DP3441/e, DP3661e, SL4000/e, SL4010/e.