Sentry HPXBT910 Deluxe On-The-Neck Wireless Headphones with Microphone

Brand new, Sentry Wireless Deluxe On-The-Neck Bluetooth Magnetic Earbuds with Built-in Mic and Rechargeable Battery, HPXBT910
 
• Driver Unit: 10mm
• Impedance: 32 +/- 3 ohms
• Frequency: 20Hz-20KHz
• Rated Power: 150mW
• Battery: Lithium Ion