Ear Hook Wireless Headphone - Non Ear Plug - Noise Cancelling Single Ear Headset with Case Massage Oils Headset: 2 x Built In

Headset: 2 x Built In 30mAh Li Ion Battery (Included)

Long Battery Life: Headphones are Rechargeable

1 x Thermal Guide Plate

UAC (USB audio class) standard

Ear Hook Wireless Headphone - Non Ear Plug - Noise Cancelling Single Ear Headset with Case Massage Oils Headset: 2 x Built In1. First use of connection: Long press the power button for more than 5 seconds,until the blue and red lights flash alternately. It works very well and connects easily the first time and then every time after, it connects automatically. 2. Single Ear hook design, not in ear, free from eardrum damage. Instead of bone conduction headphones, no need to vibrate ear bones, more comfortable and very light, painless wearing and not irritate your ear. in long