Coodio Motorola 2 Way Radio Earpiece Professional Surveillance Security Headset Bodyguard [Covert Acoustic Tube] [Boom Microphone] For Motorola TETRA MTP850 MTH800 Walkie Talkie Two Way Radio Coodio's Motorola TETRA MTP850 two way radio professional surveillance earpiece headset is optimized for communications intensive environments in which personnel need to interact with customers while maintaining radio communications. Easy-Helmet/Shirt-Clip boom noise cancelling microphone with finger PTT(Push To Talk) will give you the best radio communication experience while on the move, so you can use your radio device to communicate discreetly and easily, whether you're in security, retail or hospitality. High quality transparent acoustic tube headset that could hardly be detected by people around you(also reduces electronic radiation), ideal for surveillance purposes and security at airports, casinos, crowd control, conventions, concerts and other working environment requiring discreet communications. Excellent for user in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, party, building construction, stage, studio, hunting, outdoor and noisy environments. Compatible with Motorola Tetra MTH600, MTH650, MTH800, MTH850, MTP850, MTS850 two way radios.