SK-058 Portable Professional USB Rechargeable LCD Touch Screen Noise Reduction Digital Voice Recorder Stereo Recording Features: High sensitivity capacitive touch buttons make operation extremely easy. The 3D curve surface design makes the recorder so stylish. The lens and bottom cover are covered with UV oil and are dust and scratch resistant. With high-quality FM function module, you can search for 20+. Built-in large-capacity battery, up to 500mAh, fully guarantees the use time.   Description: Support professional PCM lossless format recording (WAV format, bit rate up to 1536kbps) or high compression ratio MP3 format recording. Support MP3, WMA, OGG, APE, FLAC, WAV, AAC-LC, ACELP format playback. LCD screen with color backlight, also designed with time stamp, display hours and minutes (24-hour format).   Specification: Model: SK-058 Material: Metal Color: black Size: 100*31*10mm Number of folders : 199 files Recording format: WAV/MP3 Recording quality: WAV 512Kbps (default) Recording bit rate: 192kbps-1536kbps Recording effective distance: up to 30m Recording frequency: 24Hz Video screen light off recording power: 12mA-20mA Actual maximum output: (L) 9mW + (R) 9mW (320hm) USB: PC Interface USB1.1/USB2.0 FULL Speed Built-in speaker: Dynamic 8ohm. 1W 26mm*18mm S/N (noise ratio): 90dB Power supply: lithium battery 3.7V, 500mAh USB input: rated voltage / power: 5V 300mA-5V 1A Storage: embedded flash or TF card Operating temperature: -40°C ~ 60°C Battery life: Recording: 35 hours (512Kbps); Playing: About 45 hours (plug headphones); External playing: About 8 hours   Package Included: 1 x Digital Voice Recorder 1 x USB Cable 1 x Earphone 1 x Microphone 1 x Clip 1 x Telephone Adapter 1 x Telephone Cable 1 x Instruction Manual   Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.