40mm for neodymium magnet. Stereo, excellent analysis and strong low frequency.
For JL chipset. Wireless V5.0, low power consumption and high transmission. Support multiple protocols.
Choose skin?friendly earmuffs. Fashion design, high?end texture.
Strong and durable, foldable headband, easy. Three keys to control call/music volume, etc. and MP3 audio.
Dual battery design. Balance the weight. Long service life, working time is more than 5 hours.