1. For JBL Synchros S400BT headphones.
2. Built-in memory foam, soft, comfortable, breathable, no ears.
3. The protein holster fits snugly against the ear, reducing leakage and slipping.
4. Strong and durable.
5. The headset is not included.
2. Built-in memory foam, soft, comfortable, breathable, no ears.
3. The protein holster fits snugly against the ear, reducing leakage and slipping.
4. Strong and durable.
5. The headset is not included.