SEPURA TETRA Radio Earpiece (Bodyguard Style Two Wire Covert Acoustic Tube Headset) THE-SECURITY-STORE Made in United Kingdom. Direct from authorized THE-SECURITY-STORE retailer or fulfilled by Amazon. THE-SECURITY-STORE headsets are 100% exactly as described and as seen on the pictures and features a 90 day "NO QUESTIONS ASKED" money back guarantee. This is high quality headset from reputable UK supplier. Guaranteed best quality, please do not compare this product with cheap-counterfeit earpieces from China or Hong Kong. Don't take a chance to save a couple of pounds! This is two wire headset with HQ PTT microphone. First wire length 110cm + eartube and 2nd wire length 110cm + PTT microphone. Suitable for down sleeve, under clothing operation or can be clipped near the lapel or to the vest. The two-wire earphone kit provides excellent durability, reliability and performance in low-profile environment. This headsets used by close protection officers, doormans, security officers, covert police, store detectives, private investigators and just about any kind of undercover operation teams you can think of. Ideal for demanding covert security applications where sound clarity and earpiece durability are of paramount importance. Built-in electric microphone. The hidden micro-speaker is located in the centre of PTT switch. Low-profile, flexible, transparent acoustic tube transmit sound in high quality the transparent tube would be hardly noticed by others around you. Package for each earpiece included: Black wired earpiece + clear acoustic tube with earbud + extra earbud. Compatible with Sepura radios that required 2.5mm single pin plug: SRP2000, SRP3000, SRH3500, SRH3800, SRH3900 and many more.