Performance of product：
1.Comfortable, safe, slow and uniform injection with aspiration function;
2.Unique design: the operation of holding like a pen makes it easier for doctors;
3.Easy operation: induction switch; No foot pedal
4.Real-time prompt: LED light displays and prompt tone remined the dosage;
5.Music tones: free to download MP3 format music or record personalized music
6.Cost saving: only use regular disposable needles, no other consumables
7.The booster tube is compatible with two types of disposable needles (metric and British);
8.High performance rechargeable lithium battery , can also be connected to the power supply.