S5 with big battery,using the 600ma played up to 80 hours.
Support recording long distance.
Support for multiple channel FM radio.
Support hd E-book reading.
The tape length:80 hours
The recording formats:WAV/MP3
Screen size:1.8 inch TFT LCD screen
The broadcast time:80 hours
USB connection:high-speed USB2.0
Battery capacity:600 ma
Battery type:lithium-ion polymer battery
Size:90 mm/39 mm/8 mm
Output interface:3.5 MM