We will test it before shipment. Reference Weight:0.044kg (0.10lb.) "/> Features: 1. Has a remote microphone with push to talk button you can clip anywhere. 2. The iron clip PTT can easily be worn on the body and easy to talkback. 3. This is a Medium Duty 2-wire PTT earpiece with acoustic tube for Motorola radio. 4. This 2-wire earphone kit provides excellent durability, reliability and performance in a noisy environment. Because of this characteristic, it is very suitable for use in applications where High sound clarity is required. 5. Applications: Relevant personnel: police, military, bouncer, and businessman. Related sites: nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conventions, concerts, warehouses, and noisy environments. Specifications: Color: Black Cable length: approx. 1m/ 3.28 feet Weight: approx. 32g Applicable Models: HT750, HT1250, HT1250LS, HT1550XLS GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP680, GP1280 MTX850, MTX850LS, MTX900, MTX950, MTX960, MTX8250, MTX8250LS, MTX9250 PR860, PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150, PTX700, PTX760, PTX780 Notes: please allow 1-3cm error due to manual measurement and there will be different color as different display, please understand. Thanks. 1 x Air Acoustic Tube Headset Earpiece