Model: MX-711
Memory card type: TF card
Expansion card: support
Operation mode: push button
Interface: USB 2.0
Headphone jack: 3.5MM
Support audio format: MP3
Screen resolution: 160×128
Frequency response range: mp3
Battery type: lithium battery
Battery capacity: 90
Life time: 4 (hours)
Product size: 5.1*2.3*1.2cm

Memory capacity:
Card bare machine without accessories
Card host + crystal box double line