Sponge/Memory Foam/Slow Rebound
Silver, Beige, Blue, Red, Gold, Brown, White, Black, up to Client
Portable Media Player, Earphone
Noise-Cancelling, Bluetooth
Comfortable/Safety/Soft/Noise Canceling
RoHS, Reach
Large, Medium, Small
1000PCS/Plastic Case, up to Client
5.5, 4.9, 4.3, 4.1, 3.8, 3.0, 2.6mm hole size
Guangdong, China(Mainland)