Light weight The weight of the entire headset is only 78g. General headsets are bulky and inconvenient. It is much lighter than ordinary bulky and inconvenient headphones. There is no feeling of heaviness after wearing it. And there is a boom mic that is easy to talk and adjustable. Behind-the-Head design Behind-the-Head design provides absolutely comfortable wearing experience. You can hang the headset above your ears. It stays in the ear without hurting to receive high quality sound even you're doing strenuous activities. Durable PTT Button Finger PTT button allows you communicate private with handsfree usage. Easy and convenient for operation.Ideal for indoor or outdoor sport activities with families, such as driving, hunting, cycling airsoft games, running, cycling etc. Adjustable Cable Reliable and strong PU cable without breaking can be adjusted to meet your needs for variety application usage. Universal compatibility 2-pin standard diameter: Ear 3.5mm stereo (top pin). Mic 2.5mm stereo (bottom pin); Space of two-pin: 11mm It works with most 2 pin walkie talkies, you could check the mode list as below for specific information. NOTE: Please check your radios type first before placing orders. Compatible with the following walkie-talkies: Compatible with Retevis: RT22/RT21/H-777/RT68/RT19/RT27/RT28/RT22S/H-777S/RT15/RT18/RT27V/RT21V/RB38V/RT7/RB17V/RB27V/ RT5R/RT5RV/RT5/RT85/RT76/RB26/RB17A/RB27/RT84/RT53/RT10/RT43/RT72/RT26/RT1/RT86/RB25/RT81/RT50/RT56/RA16/ RB37/RB35/RT67/RT17/RB17/RB17P/RT66/RB27B/RB28/RT69/RT46/RB18/RT3S/RB28B/RB29/RT76P/RA85/RB85/RB87 Compatible with Kenwood KPG: KPG27D, KPG29D,KPG48D, KPG49, KPG55D, KPG56D, KPG62D, KPG66D, KPG69D, KPG70D,KPG74D, KPG75D, KPG77D, KPG82D, KPG87D Compatible with Kenwood TH: TH-D7, TH-D7A, TH-D7AG, TH-D7E, TH-F6, TH-F6A, TH-F7, TH-F7E, TH-G71, TH-G71A, TH-G71E, TH-K2, TH-K2A, TH-K2E, TH-K2ET, TH-21, TH-21AT, TH-21BT, TH-22, TH-22A, TH-22AT, TH-22E, TH-25, TH-26, TH-27, TH-28, TH31AT, TH31BT, TH41AT, TH41BT, TH-42, TH-42A, TH-42AT, TH-42E Compatible with Kenwood TK: TK-208/308,TK-220/320,TK-240/340, TK-240D/340D,TK-248/348, TK-250/350/353, TK-260/360,TK-260G/360G, TK-270/370, TK-270G/370G, TK-272G/372G/373G, TK-278G/378G/388GPro-Talk, TK-430/431, TK-2100/3100, Pro-Talk, K-2102/3102, Pro-Powe Compatible with BAOFENG: Almost All: UV5R, BF-480/490/320/V6/V7/V8/658/520/530/999/888/777/666S/777S/888S Compatible with HYT: TC286 386 2685 3865 6685, TC 278 378 388, TC 2100 2088 WOUXUN / PUXING / QUSHENGAN / LINTON / TYT etc Package Includes: 1 X Retevis 2 Pin Overhead Headset Diameter Ø15mm Impedance 64 ohm ± 15% at 1000Hz Rated power 100Mw Maximun power 200mW Retevis Behind Head Walkie Talkie Headset Retevis Overhead Walkie Talkie Headset Retevis Overhead Walkie Talkie Headset Retevis Overhead Walkie Talkie Headset Retevis Behind Head Walkie Talkie Headset Retevis AI Active Noise Reduction Walkie Talkie Headset, Rechargeable, 2 Pin,... Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.2 out of 5 stars 297 2.9 out of 5 stars 3 5.0 out of 5 stars 3 — 4.1 out of 5 stars 9 — Price $16.99$16.99 $13.99$13.99 $34.99$34.99 $14.99$14.99 $19.79$19.79 $26.99$26.99 Earpiece Type Behind Head Headset Overhead Headset Overhead Headset Overhead Headset Behind Head Headset AI Active Noise Reduction Earpiece Pin Type K Head 2 Pin K Head 2 Pin K Head 2 Pin Multi-Pin K Head 2 Pin K Head 2 Pin Boom Mic ✓ ✓ ✓ ✓ ✓ no data Coil Design ✓ ✓ ✓ ✓ ✓ no data Adjustable Headband ✘ ✓ ✓ ✓ ✓ no data Material PU cable Kevlar reinforced cable Kevlar reinforced cable Kevlar reinforced cable Kevlar reinforced cable PU cable Weight 78g 85g/0.19Ib 85g/0.19Ib 85g/0.19Ib 85g/0.19Ib 33g/0.08Ib PTT Finger PTT Inline PTT Inline PTT Inline PTT Inline PTT Inline PTT Package 1 Pack 1 Pack 2 Pack 1 Pack 1 Pack 2 Pack