P/N: CGS-OTTOBT: The Made in the U.S.A. OTTO Bluetooth Revo 2 Noise Cancelling Speaker Microphone. Bluetooth Radio Speaker Mic for Kenwood radios w/ built-in Bluetooth like NX-3320, NX-5000, NX-5200-K2, NX-6000 & More. Only Bluetooth Radio/Android Smart Phone Speaker Mic with sophisticated software which enables it to have complete Bluetooth compatibility in a single version: Bluetooth®-enabled two-way radios, radio adapters, smartphones (Android Based only) and tablets(ESChat or Zello.) Easily pair Bluetooth Radio/Shoulder Mic/PTT only once. This kit will remember the pairing even when all items are powered off. This Wireless Mic is robust and Weather Proof(Mic can be submersed in water & still function!). Meets MIL-STD-810G for high performance in harsh environmental conditions including 40 mph blowing rain. Do not be fooled by other small, bargain Bluetooth speaker mics/lapel mics, this water and dust proof mic is up for the battle. This mic has more than 12 hours of talk time, easy pairing, no connectivity loss, and fully functional PTT. Experience HD crystal clear communications, with a Multi-Mic Array used for Noise Cancelling.  OTTO Revo 2 Bluetooth Speaker Mic Noise Cancelling Multi-Mic Array Does Not Disable Emergency Button P25/Digital Radio Compatible Push To Talk(PTT) On Mic USB Charger Included 30 Feet Average Range Volume Control Bluetooth 5.0 wireless communication standard  MIL-STD-810G for high performance in harsh environmental conditions including 40 mph blowing rain Easy/Simple Pairing Process Internal Memory FCC Certified U.S.A. Made Speaker Mic 12 Hour Talk Time Checkout Our Earpiece Options For Your Speaker Mic Here 30 Day Fit & Function Money Back Guarantee. Purchase with Confidence. 12 Month 100% Free Replacement Warranty  We have the best/easiest exchange & return process. Purchase with confidence. If you have any questions we are standing by to help.