3v Negativeion Ashtray Silent Auto Power-off Air Purifier Filter Harmful Substances Reduce Second-hand Smoke blue

Features
1. Smart Upgrade Ashtray Air Purifier
2. Three-dimensional surround smoking, Multiple purification filters, Mute operation
3. Wireless tethering, no need to charge, long-lasting battery life, only need 2 AA batteries to work ≈40 times, (tested with Xfu brand battery as an example) just replace the battery when the power is exhausted

Name: negativeion ashtray

Rated voltage: 3V
Timing: 5.2 minutes
Power supply mode: 2pcs AA batteries
Material: flame retardant high temperature nylon + glass fiber

Packing list:
1 x negativeion ashtray
Note:
Different displays may cause the color of the item in the picture a little different from the real thing. 
Manual measuring,please allow 1~3mm error,thank you.