Brand N/A Model FS-1-Silver Quantity 1 Color Silver + white Audio Mode Natural Display Mode NO Menu Language NO Display Size NO Display Resolution NO Display Color NO Touch Screen No Memory Card Type NO Memory 8GB Max Extended Capacity NO Video Formats NO Audio Formats MP3 / WMA Image Formats NO E-Book Formats NO Record NO Tuner Bands FM FM Frequency 87~108MHz AM Frequency NO Headphone Jack 3.5 mm Other Connections USB cable (24cm) Battery Type Built-in lithium battery Battery Capacity 130 mAh Work Time 8 hours Power Supply NO Other Features Waterproof: international standard IPX8; USB plug & play and plays MP3 and WMA audio files; Battery life: playing continuously for 8 hours (depending on users operation habits); Firmware updating file transmission and storage and battery recharge via USB; Frequency response: 30Hz~20KHz; Operation temperature under water: 0'C~+50'C; Humidity: 20%~100% Certification CE Packing List 1 x MP3 player 1 x Water resistant earphones (3.5mm plug / 100cm-cable) 1 x USB cable (24cm) 1 x Water resistant silicone case 1 x set of ear buds 1 x Water resistant armband (34cm) 1 x Cleaning cloth 1 x English user manual