Sentry Noise Cancelling Bluetooth Headphones BTAND-3

• Bluetooth® Wireless Listening
• Extra soft studio grade ear pads (extra soft noise reduction)
• In-line microphone
• Folding headband
• Control Buttons
• Rechargeable long-lasting battery

Bluetooth Headset W/ Active Noise Canceling

• -20 dB Noise Reduction
• Built-in Mic
• Folds for easy transport or storage
• Rechargeable Li-Ion Battery plays up to 12 Hours
• Driver Unit: 40mm
• Frequency: 20Hz-20KHz
• Sensitivity: 100dB+/-3dB
• Impedance: 32+/-3 Ohms
• Rated Power: 150mW