Amazon | SoundBot SB271 Stereo Bluetooth 41 Latest Version Wireless Headphone for Music Streaming amp HandsFree Calling w 12Hrs Talk Time 250Hrs Standby Time Builtin Mic Noise Reduction Earcup BLACK

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Product Description ColorBlack Featherweight flex headband stereo Bluetooth headset with latest 41 version technology Hidden and adjustable arm 29 ounce light weight design provides maximum comfort and mobility Builtin mic for hands free calling Features noise reduction earcup to screen out and reduce noise level Wireless range up 33 feet Highperformance long lasting battery with Up to 11 hours of music play time and 250 hours of standby time Specification Bluetooth v41EDR Support HSPHFPA2DP and AVRCP Frequency 20 Hz  20 KHz MultiFunction 1 Button Control Builtin rechargeable 320mAh LiPolymer