Wireless Earphones: Built-in Mic, Power Display, Perfect for Sleeping

Style:  In-ear
Vocalism Principle:  Dynamic
Active Noise-Cancellation: No
Material: ABS
Hign-concerned Chemical: none
Control Button: Yes
Communication: WireLess
Volume Control: Yes
Category: Earphones & Headphones
Certification: CE
Certification: FCC
Certification: RoHS
Wireless Type: bluetooth