BTH171True Wireless Stereo Earbuds BTH171 Noise Cancellation Comparison of Effects in Airport Environment Noise Cancellation Disable Noise Cancellation Enable Key specifications Version: V5.0 Profiles: HSP,HFP,A2DP and AVRCP Operations distance: 10 meters Class II Music playing time: About 10 hours at 50% of the volume 70mAh battery capacity each earpiece 740mAh battery capacity charge case IPX5 waterproof Driver…