Wholesale Earphones Bulk Earbuds Headphones - Keewonda 100 Pack Ear Buds Classroom Bundle Packs Headphones Disposable Student Earbuds for Kids School Library (Black/Blue) ALPHA DELTA Speaker sensitivity ：120 + 3dB

Speaker sensitivity   ：120 + 3dB

crystal clear audio whatever your system choice is

and operate in passive mode without batteries

Noise is away from your world after wearing the ANC headphone

Wholesale Earphones Bulk Earbuds Headphones - Keewonda 100 Pack Ear Buds Classroom Bundle Packs Headphones Disposable Student Earbuds for Kids School Library (Black/Blue) ALPHA DELTA Speaker sensitivity ：120 + 3dBBrand: Keewonda Color: Black Features: Ear buds 100 bulk packClassroom headphones for kids bulk pack of 100 earbuds,These earbuds widely use for Classroom Testing,Students,Schools,Hospitals,Hotels,gym,library,gift shop,train,bus,airplane,Museums,and other Promotion Uses . Individually Wrapped EarbudsBundle bulk ear buds individually wrapped,Each earbuds with individually poly bag and sealed,convenient and hygienic for you use this inexpensive