Clear sound; 2 way radio headset with sensitive mic to pick up clear nature sound for smooth transmitting; no distortion or attenuation Acoustic tube; covert acoustic headset makes calls more private; suitable for using in some private occasions; such as security guards; police; eavesdropping; secret agents; also great for hunting of tactical headset; churches staff in leisure; paintball; nightclubs; bars; paintball; security;restaurants; hotels; airports; casinos; manufacturing plants; conventions; concerts; warehouses; supermarket; retail; TV work studios; entertainment industries; and noisy environments Comfortable earbud; radio earpiece with comfortable earbud can fit to the ear and enjoy long time using; will not hurt your ear 360°stainless fixed clip; that you can fix the PTT to the convenient place; PTT to pin: 3.20feet; PTT to catheter interface: 1.87feet; covert acoustic tube: 1.15 feet; total length: 6.22 feet K head 2 pin; compatible with Retevis RT22 RT21 RT68 RT68H H777 H777H RT27 RT86 RT86A RT86S RT-5R RB26 RB26H C4 walkie talkies. Compatible with Pxton Baofeng BF-888S BF-T26 BF-F8HP PRO AR-5RM GMRS Radio UV-5R UV-5RM K5 Plus UV-32 UV-21R 5RH Pro GM21 UV-5G PLUS GM15PRO MP31 Kenwood BTECH UV-PRO Radioddity GM 30 TIDRADIO TD-H3 ham and gmrs radio Notice:
If the sound quality for receiving starts to get fuzzy,please disconnect the clear tube ear piece and blow it out with an air in a can, because the air in the tube will effect the transmission.If you clear the tube earpiece and the tube earpiece is intact.
Excellent for use in police military nightclubs bars paintball security restaurants, hotels, bouncer, warehouses, and noisy environments.

Compatible for:
Compatible with KENWOOD:
Compatible with Kenwood TH
TH-F6/F6A/D7/D7A/D7AG/D7E/F7/F7E/G71/G71A
TH-G71E/K2/K2A/K2E/K2ET/21/21AT/21BT/22
TH-22A/22AT/22E/25/26/27/28/31AT/31BT/41AT/41BT
TH-205/-215/225/235/235A/235E/315/41
Compatible with Kenwood TK
TK-370/ 370G/372G/373G/320/340/340D/348/350
TK-2100/ 2160/3100/3101/3102/3107
TK-3118/3130/3160 etc

Compatible with BAODEENG :
UV-5R Series BF-480/490/320/V6/520/530/999/888/777/666S/777S/888S

Compatible with TYT

Retevis:
H-777/RT21/RT22/RT-5R/RT-5RV/RT1/RT2/RT5/RT7/RT23/RT26/RT27/RT5/H-777S/RT28/RT15/RT46/RT50/RT52

Compatible with HYT :
TC286 386 2685 3865 6685, TC 278 378 388, TC 2100 2088

Compatible with Linton :
LT-2288/3288/6288/5288/3188/3260/2268/3268,/6288/6188/3288A
KG-UVD1/UVDIP KG-669/659/679/689/639/699/801

Package Includes:
2 x Retevis Covert Air Acoustic Headset