Brand N/A Model FS-1-BK Quantity 1 Color Black Audio Mode Natural Menu Language English Display Size NO Display Resolution NO Touch Screen No Memory Card Type NO Memory 8GB Max Extended Capacity NO Audio Formats MP3 / WMA Tuner Bands FM FM Frequency 87~108MHz Headphone Jack 3.5 mm Other Connections USB cable (24cm) Battery Type Built-in lithium battery Battery Capacity 130 mAh Work Time 8 hours 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) 1 x USB cable (24cm) 1 x Water resistant silicone case 2 x Ear buds 1 x Water resistant armband (34cm) 1 x Cleaning cloth 1 x English user manual