This item features a light weight， foldable design， equipped with super sized 50mm beryllium diaphragm speaker， Knowles MEMS microphone and silver-plated copper wire， 32ohm low impedance for listening on-the-go， which is compatible with popular Android phones and devices running iOS5 and above as well. It is also with features of top-level supply chain， strict quality test， abundant accessories， etc. With so many great functions inside， you are ly deserved to own one.

Features:
Super sized 50mm beryllium diaphragm speaker， 4 times harder than steel， 60% lighter than titanium alloy， and 25% larger than other regular headphones， producing high quality sound.
32ohm low impedance， perfect for listening on-the-go.
Semi-open tune trope design for true sound representation.
Perfect sound quality for music listen and answering calls.
Stereo sound stage for more music restoration.
Special damp material to absorb reflecting waves， reducing noises interference.
Built-in Knowles microphone and silver-plated copper wire for purest sound quality.
Precise aluminum tune trope， high PU protein leather headband， weighs only 220g.
Comes with three types replaceable earcovers.
Compatible with popular Android phones and devices running iOS5 and above.
Foldable design for easy taking， folded size approximating Xiaomi Note.
Aviation adapter and 3.5mm to 6.3mm audio adapter for more use.
Top-level supply chain， SGS safety certificated， to ensure environmental and healthy use.
More than 700 items strict test， 3 times than the standards.

Specifications:
Brand name: Xiaomi
Item name: Xiaomi headset
Color: Golden
Microphone: Built-in Knowles MEMS microphone
Wire material: Silver-plated copper wire
Length: Approx. 1.4m
Jack: 3.5mm gold-plated
Impedance: 32Ω
Sensitivity: 98dB
Frequency range: 20-20，000Hz
Max power: 50mW
Executive standard: GB/T 14471-2013
Compatibility: Compatible with popular Android phones and devices running iOS5 and above.
Item size: Approx. 18.1 * 15.2 * 6.8mm / 7.13 * 5.97 * 2.69in
Item weight: Approx. 220g / 7.76oz
Package size: Approx. 19 * 17.4 * 12.6cm / 7.49 * 6.86 * 4.96in
Package weight: Approx. 882g /1.94lb

Use life test:
Button press: 400 thousand times (100 thousand standard)
Wire swing: 15 thousand times (5 thousand standard)
Headband stretch: 10 thousand times (8 thousand standard)
Flexible band slide: 18 thousand times (6 thousand standard)
Earphone rolling: 6 thousand times (3 thousand standard)
1.7m falling: 18 times (6 times 1.2m falling standard)

Package including:
1 * Headphones
1 * Silver-plated headphone cable
1 * Small earcover(on the headset already)
1 * Medium earcover
1 * Large earcover
1 * Aviation adapter
1 * Turn 3.5mm to 6.3mm audio adapter (gold-plated)
1 * Headphone admission package
1 * Portable headset bag