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Amazon.com: weishan K702 Coiled Audio Cable with 2.5mm Balanced Male Replacement for AKG K240, K240S, Q701 Headsets, Works on M11 Plus, M15, M17 Digital Audio Players 4ft to 14ft : Electronics
K371-BT | Over-ear, closed-back, foldable studio headphones with Bluetooth
Amazon.com: Home AC Adapter/Power Supply Replacement for AKG K845BT High Performance Wireless Bluetooth Headphones Stereo Headset : Electronics
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Amazon.com: BUTIAO K240 Bluetooth Adapter, Wireless 5.0 A2DP Stereo Audio Adapter Handsfree Music Receiver for for K240 K240S K240MK II Q701 K702 K141 K171 K181 K271s K271 MKII M220 Headphones : Electronics
Amazon.com: BUTIAO K240 Bluetooth Adapter, Wireless 5.0 A2DP Stereo Audio Adapter Handsfree Music Receiver for for K240 K240S K240MK II Q701 K702 K141 K171 K181 K271s K271 MKII M220 Headphones : Electronics