Aidbucks HM2010 Wireless Sport Noise Cancelling Bluetooth Headphones - White The latest Bluetooth 4.1 technology -- It ensures the stability of the signal and the quality of the call. HD 1080p sound quality and DPS digital noise reduction technology, providing a perfect high-definition pure stereo sound quality, your ear will have a comfortable experience within 10 meters. Unbelievable playback time -- Compared to other Bluetooth headsets, it has a long standby time of 300 hours, music time is 8 hours, talk time is 10 hours, charging time is 3 hours (actual playing time depends on audio file Volume and content). Replaceable environmental earbuds -- It is equipped with three different sizes of rubber earplugs to ensure the comfort of the ears. Unique magnetic adsorption design to ensure the safety of outdoor sports, suitable for climbing, cycling, running use. Functional diversity -- microphone / dual voice prompts / battery indicator / FM radio / shooting photo control. Compatibility is high, it can connect 99% of Bluetooth devices, including iPad, iPhone, MI, Android smart phones, tablet PCs, Bluetooth-enabled music players and other Bluetooth-enabled devices. Contains content -- 1 x Bluetooth headphone,1 x Bluetooth receiver, 3 x for the earphone (S / M / L), 1x USB charging cable, 1x English operating manual, 1x black box.