Standard USB port: USB 2.0 (full speed). Integrated Microphone supporting ADPCM recording.
Specification:
# Polarized lenses (anti-scratch) & TR 90 frame
# Memory: 1GB
# Compatible format: MP3, WMA, ADPCM
# Standard USB port: USB 2.0 (full speed)
# Integrated USB drive
# Play function: play in order, pause, resume playing etc.
# Delete function: delete current or all songs or recordings
# Integrated Microphone supporting ADPCM recording.
# Continuous playing time: 8 hours
# Recharging time: 2 hours
# 230mAh/3.7V macromolecule polymer li-ion recharging battery
# Automatically detected battery voltage and capacity
# Battery Consumption Saving function: Automatic power off if no button pushed in 2 minutes under pause status, Automatic power off in 2 minutes when all tracks played
# Voice output power: 5mW + 5mW
# S/N Ratio: 80dB
# Working temperature: -5? ~ +50?
# Earphone Output: 5mW + 5mW
# Frequency response: 20Hz ~20kHz
# Sampling frequency of voice recording: 8KHz
# Compression level: 32Kbps~320Kbps
# Share same USB port for Download, Upload and Recharge
# CE & FCC certificate
# Colour: Black
