JBL Tour ONE Wireless Noise Cancelling Bluetooth Headphones, Hi-Res Audio, Perfect Voice Clarity Phone Calls, up to 50H Battery, Google Assistant and Amazon Alexa (Black)
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JBLE45BT Bluetooth Headset User Manual TR03171_JBL_E45BT+E55BT_QSG_A_V2 Harman Industries,
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Archimago's Musings: REVIEW / MEASUREMENTS: AKG K371 (closed-back, over-ear, dynamic driver) - An affordable, modern, standard studio headphone. (And on using the miniDSP [H]EARS rig.)