Sony MDR-NWBT10

Weight: 27 g
Design: Intracanal
Description: Design: in-ear, device type: wireless headphones, acoustic design type: closed, operating time: 4 h
Additional Information: Battery type: own Li-Ion; Transmitter frequency range: 2.4000 GHz - 2.4835 GHz; Range: 10 m; Data transmission channel: radio channel; Cable type: symmetrical; Replaceable ear pads: yes
Working hours: 4 h
Charging time: 2.5 h
Device type: Wireless headphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Membrane diameter: 13.5mm
Type of acoustic design: Closed
Wireless connection type: Radio channel
Number of drivers: 1