Klein Electronics Bluetooth RSM Speaker Mic with PTT & Volume Control, IP64, Android iOS

Wireless Bluetooth Connection – Hands-free communication with Android and iOS smartphones. Push-to-Talk Control – Rugged PTT button for instant communication via supported apps. IP64 Waterproof Design – Dust and splash-resistant for demanding environments. Long-Lasting Battery – Built-in 1,600 mAh lithium battery with up to 14 hours talk time. 3.5mm Audio Port & Swivel Clip – Connect a listen-only earpiece; clip rotates for comfort.