BTH171QTrue Wireless Stereo Earbuds BTH171Q Noise Cancellation Comparison of Effects in Airport Environment Noise Cancellation Disable Noise Cancellation Enable Key specifications Bluetooth specification: V5.0 Bluetooth profiles: HSP,HFP,A2DP and AVRCP Operations distance: 10 meters Class II Music playing time: About 12 hours at 50% of the volume 70mAh battery capacity each earpiece 740mAh battery capacity charge case IPX7 waterproof…