1.Bluetooth 1.2 V
2.Range: Class 2,10 meters
3.Combination of Bluetooth and MP3:When calls come in the mp3 player will suspend and shift to bluetooth operation. When it comes back to bluetooth operation.
4.PC interface supported:USB
5.Digital formats supported: MP3/WAV/WMA
6.Signal-to-noise ratio:87.2dB
7.Playback Modes:Random play
8.External hard drive function: Yes
9.Sound output mode: Stereo
10.Audio Additional features:Auto-power off
11.Earphones type: Binaural
12.Mfr estimated battery life : 6hours continuous
13.Charging Time:3hours continaully
14.Battery tape/capacity: Built-in Lithium lon Polymenr/3.7v,150mAh
15.Maximum imput power rating:5VDC,150mA
16.Voice output power:55mW
17.Voice output frequency:20Hz-20Khz earphone impendance:16 Ω*2
18.Memory Flash:128MB-1G