PTM D11 Super Bass Earphone Sport Noise Canceling Volume Control Headset Metal Headphone

Features: In-ear headphone with a 10mm Hi-Fi driver unit provides natural clear sound and super enhanced bass. Noise isolating in-ear design blocks ambient noise to help you focus on listening pleasure. High-quality in-line microphone and control buttons allow seamless operation of phone calls, music and volume. 3.5mm headphone is suitable for PSP, smartphones, tablet PC, laptop, MP3 and other 3.5mm audio devices. Ergonomic design with metal head, comfortable to wear, not easy to fall, suitable for sports and daily use. Specifications: Brand Name: PTM Model Number: D11 Plug: 3.5mm Speaker Diameter: 10mm Sensitivity: 108dB Impedance: 16 Frequency response: 20Hz-20KHz Color: Black Cable Length: Approx. 1.2m / 3.93ft Earphone Weight: Approx. 13g / 0.45oz Package Size: Approx. 10 * 9 * 2cm / 3.93 * 3.54 * 0.78in Package Weight: Approx. 15g / 0.52oz Packing List: 1 * 3.5mm Headphone 3 * Pairs of Earcap