Wireless with double speaker AWEI X650BL, black.

Design: Intracanal
Product color: Black
Description: Design: in-ear, device type: wireless headphones, Active Noise Canceling ANC, plug connector: microUSB, acoustic design type: closed, operating time: 6 h
Plug connector: microUSB
Working hours: 6 h
Impedance: 16 ohm
Sensitivity: 93 dB
Length of cable: 0.3 m
Charging time: 1.5 h
Device type: Wireless headphones
Mount type: Headband
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Number of microphones: 2
Bluetooth version: 4.1
Type of acoustic design: Closed
Wireless connection type: Bluetooth
Active Noise Canceling ANC: There is