Sony WI-C200 Wireless In-ear Headphones

Specification: 

• Brand: SONY
• Model Number: SONY WI-C300
• Style: In-ear
• Vocalism Principle: Dynamic
• Control Button: Yes
• Active Noise-Cancellation: No
• Communication: Wired
• Volume Control: Yes
• Sensitivity: 103dB
• Wireless Type: bluetooth