1、Standard "D-Shape" headphones around the earlobe. The curve moves straight down to the molded 3.5mm mono plug. 2、It is long enough to fit the radio on the belt or in the trouser pocket. 3、Only accepts headphones with a spiral and 3.5mm unthreaded plugs for two-way radio. 4、Use a standard 3.5 mm plug. Fits the ears for excellent comfort. 5、Suitable for police, army, night clubs, bars, paintball, security, restaurants, hotels, bodyguards, warehouses and noisy environments. Features: Standard "D-Shape" headphones around the earlobe. The curve moves straight down to the molded 3.5mm mono plug. It is long enough to fit the radio on the belt or in the trouser pocket. Only accepts headphones with a spiral and 3.5mm unthreaded plugs for two-way radio. Use a standard 3.5 mm plug. Fits the ears for excellent comfort. Suitable for police, army, night clubs, bars, paintball, security, restaurants, hotels, bodyguards, warehouses and noisy environments. Specifications: Material: ABS Line length: about 65cm / 25.59inch Colour: Black Speaker size: about 19mm / 0.75inch Impedance: 32Ω Frequency response: 20Hz-20KHz Sensitivity: 87dB Applicable to the following for Motorola portable two-way radio: APX7000, XTS5000, XTS3500, XTS3000, HT1000, PR1500, JT1000, MT1500, MT2000, MTS2000, MTX8000, MTX9000, MT1500, MTS2000, XPR6300, XPR6350, XPR6500, XPR6550, HT1250, HT1550, HT750, MTX8250, MTX8250LS, MTX850, MTX850LS, MTX9250, MTX950, PR860, EX500, EX560XLS, EX600, EX600XLS, BPR40, CP110, CP150, CP185, CP200, PR400, XTS1500, XTS2500, XTS3000, XTS3500, XTS5000, MTX838, MTX-LS and Other compatible models Package list: 10 * Earpieces