External Memory: Yes
Audio Format Support: OGG
Audio Format Support: FLAC
Audio Format Support: APE
Audio Format Support: mp3
Audio Format Support: WMA
Audio Format Support: AAC
Balanced Stereo Sound: Yes
Dimensions (WxHxD): 9cm * 4cm * 1cm / 3.5 * 1.4 * 0.4in
Have Speakers or not: Yes
Battery Specification: Polymer Battery
Function: Voice Recorder
Function: E-Book Reading
Function: FM Radio
Function: Bluetooth 4.2
Function: World Clock
Bluetooth: Yes
Battery Life: > 20 hours
Display Size: 2.4 inches
Model Number: S8550028910
WIFI: No
Style: mp3
Operation Mode: Touch Screen
Body Material: Metal
Package: Yes
Supports FM: Yes
Supports Recording Function: Yes
Signal Noise Ratio: ≥100dB
Screen: Yes
Storage Type: Flash Memory
Supports EBook Reading: Yes
feature[06]: fast charging
feature[07]: 16GB