KOSS CS340iBT QZ Wireless over-ear headphones with microphone

KOSS CS340iBT QZ Wireless over-ear headphones with microphone provide high-fidelity wireless audio and clear communication with extended comfort for everyday use. - Bluetooth 5.0 technology for robust and stable wireless connectivity - Soft, over-ear cushioned pads ensure comfort during long listening sessions - Integrated microphone and multifunction remote for effortless call handling and music control - Up to 20 hours of battery life with quick charge capability for extended playback - Foldable design for convenient portability and storage Compatible with all Bluetooth-enabled devices such as smartphones, tablets, and laptops. In the box: KOSS CS340iBT QZ wireless over-ear headphones with microphone, USB charging cable, detachable audio cable for wired use, carrying pouch, user manual. Technical specifications: Bluetooth version 5.0, wireless range up to 10 meters, battery life up to 20 hours, charging time approximately 2 hours, frequency response 20 Hz – 20 kHz, impedance 32 Ω.