The Jazz-i111 are wired aluminium headphones which dually produce sound and be used as a wired telephone answering device. They have a comfortable fit made possible by the variable earplugs for different ear hole sizes. They come with a portable carry bag which makes it easy to store away and avoid clutter on your desk or in your main bag or back pack. Features - Gold-plated pin sound quality transmission is not distorted - With high-power NdFeB headset single to make the sound more rounded - Light aluminium alloy body with high-power neodymium iron solid and delicate appearance - Independent volume and size sound control button operation is simple - Wired telephone answering Music selection function - Lightweight aluminium alloy Round and natural, clear details and good sound quality - Compatible with iPhone / iPad / IOS system - Use skin-friendly soft silicone earplugs, close to the ear canal when wearing, soft and comfortable - 2 sets of silicone earplugs which are comfortable to wear and can be removed and cleaned at will - Fashionable colours - Comes with high-quality storage bag Specification - speaker specifications: 9.2mm neodymium iron speaker - sensitivity: 95 ± 3dB SPL at 1KHz 1mW -

response: 20 ~ 20000 Hz - rated power ? 1mW - Maximum power: 3mW - Impedance: 16 ? ± 20% @ 1KHz - Microphone sensitivity: -39dB ± 4dB @ 1kHz, 0dB = 1V / pa - Frequency response: 100 ~ 10000 Hz - Direction: Omnidirectional capacitance - Impedance: 2.2K? (Max) - Rated voltage: 4.5V - Rated input current: 0.25-0.45mA - + key: volume up - -key: volume down - Answer key: wire-controlled answering and music selection function 1.Click: answer the phone function or music playback / pause 2. Press Two times: music next 3. Press three times: music previous 4. Fully compatible with iPhone / iPad iOS system 5. Support android phone microphone answering function, music up / down first function depends on phone brand What's in the box 1 x Aluminium Alloy Headphones 1 x carry bag 2 x ear plug sets