Js-8917 anti-dozer sitting position straightener The vibration alarm driver anti-drowsiness device is applicable to the driver of the vehicle, but also applies to the electrical equipment monitoring personnel, TV station night screen on duty, etc. At the same time, this product also plays a good role in correcting students' poor sitting posture and promoting students' healthy growth.

Easy setup with on-off switch It contains the battery Loosen the screw when the battery runs out It can be replaced.

600PCS/CTN means: 50*35*45cm gw:15.5kgs nw:14.5kgs 

The LOGO specified by the customer can be printed or personalized packaging can be made according to the requirements of the customer.

Welcome the foreign merchant large quantity purchase!