Description Made of ABS material, the handset is of simple but fashionable. It is compatible for cell phones and computers with 3.5MM interface. With built-in hanging up and volume keys, easy to use. Give you excellent audio quality. It will be a good choice for you. Features - Brand: UKCOCO. - Color: Black. - Material: ABS. - Size: About 22.00X6.50X6.00cm/8.65X2.55X2.36in. - Interface: 3.5MM. - Frequency: 20-20000Hz. - Sensitivity: 111dB±3%. - Impedance: 150 ohm. - Speaker diameter: 38mm. - Line length: about 1 meter. - Excellent audio quality, noise reduction system, improve comfort during the call. - Built-in hanging up and volume key. Easy to adjust the sound volume when making calls. - Simple color and retro style design, easy to be favored by all ages of customers. - Reduces radiation at your head, it is suitable for 3.5MM interface for both phones and computers. - Fine workmanship with smooth surface and exquisite details, good hold feeling in hands.Package list: 1 x UKCOCO Handset