The Foster Electric KT001 WH 01 is a genuine OEM wireless Bluetooth headphone set designed for 2021–2026 Chevrolet and Cadillac rear-seat entertainment systems. These over-the-ear headphones, often branded under GMC/Chevrolet, feature high-temperature resistance, 54mm drivers, 24-hour battery life, and on-ear controls.

Compatibility: Designed for 2021-2022 Cadillac CT4/Escalade, 2022-2026 Chevy Tahoe/Suburban, and 2022-2025 GMC vehicles.

Manufacturer: Produced by Foster Electric Company, Limited.

Functionality: Bluetooth pairing for in-car entertainment, with a 100-foot range, built-in microphone for calls, and volume/track controls on the right earcup.

Specifications: Closed-back, over-the-ear design with 54mm drivers.