Amazon.com : https://www.amazon.com/gp/product/B006BUN8NO?tag=eatingwelldia-20
SYNC by 50 Cent Wireless OverEar Headphones Black by SMS Audio Discontinued by
Product Description :
Wireless
Professionally tuned Digital EQ
16-bit lossless Digital Sound
50 Range
Sync up to 4 users from one music source