1.Support MP3/WMA format 2.High quality recording up to 8-10 hours; 3.Built-in FM and FM inner recording; 4.Display song names and lyrics synchronized 5.OLED colorful screen LCD display; 6.Section A-B repeat function, multiple repeat mode 10.low-power consumption, Can play up to 8-10 continuous hours on a single AAA battery; 11.High speed interface (USB2.0); 12.Dimension:65x38x13mm 13.Solution:Sigmatel 14.Color:Red/Blue/Silver/Black Currency: USD Unit Price: 35.5 Quantity: 300 SETS Delivery: Under the quantity(5K),The delievery time will be within a week since we received the 30% deposit,70% of balance will be paid after the products are ready to shipment