Versatile Bluetooth 5.0 Cassette Adapter

Standard cassette form factor (102 × 63 × 12 mm) with robust metal shell and gold-plated 3.5 mm output jack. Bluetooth 5.0 chip enables fast pairing, low-energy operation, and stable stereo streaming up to 10 metres. Built-in microphone with real-time noise suppression handles in-cabin speech pickup clearly. Supports full stereo audio transmission with flat frequency response and minimal harmonic distortion. Physical controls include play/pause, next/previous track, volume up/down, and call answer/end — all accessible without unlocking or touching your phone. Rechargeable battery offers consistent runtime; LED feedback confirms connection and charging status.