Reviews: Are these compatible with the Apple Watch?

Allfei: Yes,it does ( Dec 19, 2016 19:18 )

Reviews: With replace earmuff?

Allfei: Yes,with 1 pair replace earmuff ( Oct 18, 2016 9:41 )

Reviews: what's the range: ie: how far away can you move from your Bluetooth device and still have them work?

Allfei: more than 10 meters ( Oct 6, 2016 23:52 )

Reviews: What kind package?

Allfei: Neutral package or OEM package optional. ( Sep 18, 2016 10:13 )

Reviews: This patent designed?

Allfei: Yes,Patent NO.: ZL 2016 3 0151714.2 ( Aug 11, 2016 11:53 )

Reviews: Send me a sample for test

Allfei: Sample is available for test,pls contact ada#allfei.cn for detail ( Jun 2, 2016 9:22 )

Reviews: How many in one carton?

Allfei: Quantity:100pcs/ carton.Carton size:53*34*46.5 CM ( May 16, 2016 21:33 )