Description :

1. Description:
Option 1: card readers w/ headphone.
Option 2: card readers w/ headphone & radio.
2. Features:
(1) External memory interface: SD/ MMC card.
(2) Audio Mp3 headphone.
(3) Folding, easy to carry.
(4) Power supplied for USB.
3. MP3 section:
(1) File support MPEG 1, layer 3.
(2) Sampling rate ( bit rate) 32/ 44.1/ 48 KHz ( 8 Kbps ~ 320 Kbps).
(3) S/ N ratio: about 70 dB ( 1 kHz).
(4) Impedance: 32o hm +/- 10%.
(5) Normal handly input: 10 mW.
(6) Max. handly power: 1 W.
(7) Sensitivity: 108 +/- 3 dB at 1 kHz S.P.L.
(8) Frequency response: 20 Hz - 20 kHz.
(9) Channel balance: 30 dB at 1 kHz S.P.L.
(10) Speaker size: dia. 40 mm. 　
(11) Thickness of speaker film: 16 μm.
4. Function control:
(1) EQ ( normal, rock, pop, class and ultra bass).
(2) Play / pause / power on / stop / off.
(3) Rewind / fast forward / hold.
(4) Volume +, Volume -.
5. Other:
(1) Supported OS Win ME, Win 2000, Win XP, Win 98, Win 98SE ( driver is required), Mac OS.
(2) With in-line vibration level adjustment. 　 　　
(3) Driver unit: 40 mm dia. dome.

Specification :

1. Battery capacity: 0.4 MAH. 2. Play time: 5 hours. 3. Display: LCD. Size: 20 x 30 mm.