Material: metal Size: 4.8cm x 3cm x 1.5cm-1.87 x 1.17 x 0.59 inch Display: Mini LCD screen Headphone jack: 3.5mm stereo jack Music Equalizer: Natural, , Rock, Classical, Jazz, Soft, Support language: English, Chinese Support 2/4/8/16GB / 32GB Micro-SD / TF Card (memories are not included) Play MP3 music. Just copy / paste the MP3 files from your PC to the MP3 player and you're ready to go. Supports USB 2.0 / 1.1 build-in Li-ion battery, connect directly to PC for reloading Glossy stylish a compact case with clip Can also be used as Micro-SD / TF card reader Metal housing. Easy to anything to clip on Note: Random color, don't accept the specified color. NOTE: MP3 player only, not only including headphones, USB cable! Package Contents: 3 x 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.