Klein Rescue RSM Remote Speaker Microphone for Sonim XP Pro

The Klein Rescue RSM brings the remote-speaker-microphone workflow that radio users have relied on for decades to the Sonim XP Pro. Wired to the phone through its accessory connector, the Rescue clips at the shoulder or lapel, putting a loudspeaker, microphone, and push-to-talk button exactly where public-safety and field crews expect them. An RSM is the right accessory when audio needs to be heard, not private. Unlike an earpiece, the Rescue's speaker projects traffic so a user can monitor the channel while moving, working with both hands, or wearing head protection that rules out a headset. Keying up is a glove-friendly press on the RSM body, and speaking into a mic at the shoulder keeps transmissions consistent without unholstering the phone. For agencies and companies migrating from land-mobile radio to push-to-talk-over-cellular on Sonim hardware, the Rescue RSM preserves user muscle memory — the gear works the way the radios did, which flattens the training curve and improves adoption. As a wired accessory it needs no pairing or charging, keeping the accessory layer maintenance-free at fleet scale. The RESCUE-SO4-WP is the XP Pro version of the Rescue, carrying UPC 198715043617 with a listed shipping weight of 2.2 lb, distributed by Social Mobile alongside Sonim enterprise devices.