iSmart eyeSound (iES)
Model No: ACISM-IESS-AW

Features:
- Lightweight frame material offers all-day comfort
- Patented optics technology maintains clarity at all angles of vision
- High quality lens black 100% all UVA, UVB, UVC
- Supported multiple music files (MP3 and WMA)
- Function as a portable storage device
- Listen to music anytime, anywhere

Specification:
- Memory: 512MB
- Codec Supported: MP3 (up to 320kbps) / WMA (up to 192kbps)
- File Transfer speed: Up to 1.4MB/s
- Signal to noise ration: >90dB
- THD: < 0.1%
- Frequency response: 20Hz-20,000Hz
- Earphone output (L+R): 20mW (nominal)/40m W (max)
- Battery tape/ Capacity: Built-in Lithium Ion Polymer/3.7V,150m AH
- Maximum input power rating: 5VDC,150mA
- Battery Life: Up to 5.5 hours of continuous playtime
- Recharging Time: 3 hours (80% charge in 1 hour)
- Interface: USB 2.0 (backward compatible with USB1.1)