and high quality. It is a good gift and supports Bluetooth. Excellent sound quality and perfect music enjoyment. Beautiful appearance, ultra-small size, simple, exquisite and fashionable. Built-in lithium-ion battery, fast charging, farewell to power anxiety, and more durable use. It can also be used as a USB flash drive (you can use it to store data/files). Name:MP3 player Charging port:-usb Memory expansion:4GB to 64GB -TF card (not included) Music format:mp3 Battery capacity:150mah Charging time:1 hour Playback time:about 6 hours (30% volume of 3.5MM headphones) Bluetooth function:support Colour:Black Material:Plastic Size:67x27x10mm Package Contents: 1 * Bluetooth 5.0 MP3 Player Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.