【SMART MAGNETIC SWITCH TECHNOLOGY】M2 wireless headphones not only built-in magnets, automatically power on when pull open the two earbuds,and auto off when suck together.Smartly saving energy for up to more than 8 hours. 【DURABLE & COMFORTABLE】M2 Earbuds exquisitely anodized aluminum surface outer housing provides a super durable protective shell.Light weight,small size and different size of buds keep it in your ear no matter you are walking, running or biking. 【SUPERB SOUND QUALITY】High quality stereo audio output comes with rich bass tones, crisp mids, balanced treble with HD clarity.

In-ear Earbuds: Cables Replacable Synamic Dual Driver Voise isolating Electronic tuning multiple color,Shock Dual Dynamic Coils---Array type titanium diaphragm double unit 6 mm, blessing electronic tuning technology, current filtering clutter, combined with N1 man-earphones ear structure, redefined. The double dynamic headphones from turbidity, restore nature sound source In-ear Earphones: Electronic Tuning+Physical Frequency Division+Personality Structure Independent research and development of electronic tuning technology, equipped with an array of dual-unit titanium diaphragm on the basis of three times to improve the kinetic energy of the magnet to optimize the voice coil feedback speed and enhance transient response. Wired Earbuds:Wear-resistant and Durable Gold-plated Ear Cables,The plug is ergonomically designed. 12"curved design,2u thickness gold plating，Jack: 3.5mm,Cable Length: 47inches,HIGHQAULITY SOUND Durable High-quality Materials Were Authorized by CE,FCC,ROHS.