Headphones Challenger R1H-D20CL

Design: Invoices
Description: Design: on-ear, device type: wireless headphones, design features: neodymium magnets, functions: volume control
Additional Information: Data transmission channel: infrared channel; Number of transmitter channels: 2
Functions: Volume control
Design features: Neodymium magnets
Device type: Wireless headphones
Mount type: Headband
Technology: Dynamic
Wireless connection type: Infrared channel