Portable Cassette Player Play your collected tapes with a retro, portable cassette player that lets you revisit old times and relive your memories. Bluetooth Receiver/Transmitter Dual mode Bluetooth functionality Bluetooth output: transmit music to Bluetooth receivers such as a headset or speaker Bluetooth input: connect directly with a mobile phone via Bluetooth Note: If you hear a hum when pairing with a speaker, it may be caused by interference between the tape drive and the Bluetooth signal. To avoid this, keep the Bluetooth speaker away from the tape drive. 3.5mm Walkman Accepts all 3.5mm interface devices such as speakers, earbuds, and car audio systems FM radio FM mode can receive radio using a 3.5mm earphone as the antenna and supports automatic FM channel search Use scenarios At home or in a small space: listen to tapes through a Bluetooth speaker or wired 3.5mm headphones for a nostalgic audio experience On the go: pair with a mobile phone via Bluetooth input to stream your digital music while using the cassette player for playback flexibility Outdoors or during travel: use the FM radio function with the 3.5mm earphone as the antenna to enjoy local stations during leisure time