HD SOUND WITH DEEP BASS and STABLE CONNECTIVITY Bluetooth earbuds equipped with bluetooth 5.1 technology has more stable connection, has superior sound quality and strong signal,which provides instant pairing and stable transmission without interruptions.The true wireless earbuds can block out a lot of surrounding noises, and do avoid wind noise created during running, biking, jogging, etc.Provide stable and seamless connectivity with Bluetooth 5.0 and high sensitivity antenna enabled devices up to 33 feet away, which also ensure low latency and low energy features during data transmission or making phone calls within 12 meters.MULTIPLE COMPATIBILITY No matter if you use an iPhone, Android, Windows phone, or choose to wear an Apple Watch, the headphones give full wireless music playback across multiple devices.