Model ZL-669 Quantity 1 Color Black Audio Mode Popular Display Mode List play Menu Language No Display Size No Display Resolution No Touch Screen No Memory Card Type SD card Memory No Max Extended Capacity 32GB Audio Formats MP3 WAV WMA Tuner Bands FM FM Frequency 76~108MHz Headphone Jack 3.5 mm Other Connections 1 x Mini USB port 1 x SD card slot Battery Type Polymer lithium battery Battery Capacity 890 mAh Work Time 10 Other Features Charging time: 3~5 hours; Folding and portable; SNR: >90dB; Frequency response: 20Hz~20kHz; Environmental temperature: 0'C~50'C Packing List 1 x Folding headphones 1 x Battery 1 x USB charging cable (49cm)