http://www.rywirelessheadphones.com/product/COBRA-CBTH1 Cobra Deluxe Headset Talk Time 8 hours Standby Time 250 hours The Cobra Deluxe Bluetooth(R) headset is ideal for noisy work environments because of its T5 Sonance Noise Cancellation Technology. The Cobra Deluxe headset features T5 Sonance Noise Cancellation Technology, wearable on either ear, crystal clear call quality, 1 touch on/off button, very light weight, LED status indicator, Bluetooth v2.0, and easy pairing.
