150Ω HD speaker, clear sound quality, smooth communication: walkie talkie earpiece comes with a 150Ω HD speaker which providing clear and loud sound quality, ensuring smooth calls even in noisy environments and not missing any important information. G-shaped rotatable earhook, comfortable and stable to wear: 360°rotatable ear hook is suitable for left and right ears, flexible and convenient to use; fits the ear perfectly without worrying about falling off; soft material will not cause fatigue even after long-term use, allowing you to focus on work and enjoy the fun of communication. Kevlar reinforced cable, strong and durable: the Kevlar reinforced cable can withstand a weight of 8.8 kg/19 lbs. It is stronger and more wear-resistant than ordinary PU cables; so radio earpiece can be used for a long time even in harsh conditions. Coiled tube design; makes ear piece for walkie-talkie to meet different heights' need and increase the use flexibility; length is up to 88cm/35inches K head 2 pin; compatible with Retevis RT22 RT21 RT68 RT68H H777 H777H RT27 RT86 RT86A RT86S walkie talkies; compatible with Pxton, Baofeng BF-888S/BF-T26, Kenwood 2 pin walkie talkie earpiece is available for security, warehouse and so many occasions. Durable Kevlar reinforced cable supports long-term use even when you are in a hard environment. 150Ω HD speaker provides convenience for receiving clearly during work through reducing external effect on sound quality. Full-size PTT design makes you to transmit through two way radio earpiece more easily, even when you wear gloves. Multiple functions are convenient for using the two way radio earpiece.