Bluetooth Cassette Player can be used as a personal cassette player. Insert your tape, and press PLAY to start listening to the old music. ezcap215 Bluetooth Cassette Player includes five control buttons - PLAY, STOP, F.F, REW, DIR, and an Auto Reverse switch. Auto Reverse function allows the device to repeatedly play both front and back tape songs without changing the face. ezcap215 Bluetooth Cassette Player also includes volume adjustment knob and 3.5mm earphone jack, you can connect earphone or speaker system to listen music. ezcap215 Bluetooth Cassette Player has two power selections - AA batteries and DC power with the USB power cable.Feature:Transmit tape music to Bluetooth earphone or speaker directly.Auto search and pair Bluetooth receivers.Flexible battery or USB-powered operation.Stereo audio.With Auto-Reverse function.Compact and portable design.Specification:Bluetooth:4.2Effective Distance:About 10mSupporting Agreement:A2DP, AVRCP, AVCTP, AVDTP, HFP, SPP, SMP, ATT, GAP, GATT, RFCOMM, SDP, I2CAPSignal-Noise Ratio:>90dbFrequency Range:2.402GHz - 2.480GHzAudio Channel:Stereo L/RAudio Input:Cassette tapeAudio Output:3.5mm earphone jack, Bluetooth transmitterUser InterfaceControl buttons: PLAY, STOP, F.F, REW, DIR. Auto reverse switch, Volume control.LED indicator: Quick flash for search Bluetooth receiver, slow flash for pair successful.Power supply:2*AA Battery, or USB port power supply (5V DC adapter)Bit Rate:128KbpsDimensions:113 x 85 x 32 mmWeight:180gPackage Contents1 x ezcap215 Bluetooth Cassette Player,1 x USB power cable,1 x Earphone,1 x Manual