• Eye protection does not hurt the eyes HD large screen
• Formulas, unit conversion, find the law, memory games, sudoku games
• Cultivate learning interest, strengthen memory, wrong consolidation
• Long-term use of standby, learning on the go
• Made of safe material, non-toxic and odorless

Specifications:

• Product Model: K45 
• Product size: 148 x 80 x 13mm
• Product weight: about 105g 
• Product material: ABS + electronic components
• Speaker: 8Ω 1W
• Battery: 400mAh