Headphones Challenger R1H-B22F2

Design: Invoices
Description: Design: on-ear, device type: wireless headphones, design features: foldable design, functions: volume control
Additional Information: Automatic shutdown after a five-minute disconnection of the audio signal; Battery type: AAA; Data transmission channel: infrared channel; Number of batteries: 2; Gold-plated connectors: yes
Functions: Volume control
Included: Adapter 3.5 mm
Design features: Folding design
Device type: Wireless headphones
Mount type: Headband
Technology: Dynamic
Wireless connection type: Infrared channel