Item Type: Cassette Player Material: ABS Bluetooth: 5.0 Interface: Approx. 3.5mm/0.1in headphone jack FM Frequency Band: 87-108MHz Battery: 2 AA batteries (not included) 1. Automatic Turning Function: You can choose to listen to music on one or both sides according to your preferences. Just click the DIR button and the other side will play automatically. 2. Tape Playback: The tape is played directly, and the sound from the tape can be heard with a Bluetooth headset or a wired headset. 3. Bluetooth Playback: Bluetooth connects to a Bluetooth speaker, press the Bluetooth mode to directly link the mobile phone's Bluetooth or other Bluetooth devices. 4. Easy to Use: This wireless cassette player is portable, compact, has a transparent shell, and is smart, beautiful, and practical. 5. Dual Power Supply Modes: This cassette player supports battery-powered and USB-powered operation. Supports automatic FM channel search function. Package includes: 1 x Cassette Player, 1 x Charging Cable, 1 x Headphones, 1 x Manual