MP3 Player Bluetooth 5.4 MP4 Music Player with 64GB SD Card Portable HIFI Sports Music Player with Clip Touch Screen Button Voice Recorder FM Radio E-Book Support up to 128GB for Running Walking The Sleeping headphones Bluetooth sleep

The Sleeping headphones Bluetooth sleep mask headphones charge only about 1-2 hours and provide 8-10 hours playing time support a whole night

Skirt:  Length 37cm/14

Power supply: AC100V-240V 60HZ

How ZHENYEMEI White Noise Sleep Mask Makes A Difference for You

Troubleshooting Guide of MP3

MP3 Player Bluetooth 5.4 MP4 Music Player with 64GB SD Card Portable HIFI Sports Music Player with Clip Touch Screen Button Voice Recorder FM Radio E-Book Support up to 128GB for Running Walking The Sleeping headphones Bluetooth sleepMP3 MP4 Player Bluetooth 5. 4 Music Player with 64GB Micro SD Card Portable HIFI Sports Music Player with Clip touch screen button Voice Recorder FM Radio E BookSupport up to 128GB for Running Walking Product Attributes Screen Size: 1. 5 inches (inch) Memory card type: TF card Expansion Card: Support Operation Mode: Touch+Keypad Interface: USB 2. 0 Headphone jack: 3. 5mm Support Audio Format: MP3 WMA WAV OGG FLAC AAC APE Screen color: color screen