Features: 1.iOS Voice Assistant: Just long touch for 2 seconds to arouse the voice assistant and make it more convenient for you to enjoy music. 2.Auto Pairing and Memory Connection: Being taken out of the charging cabin, the earphones are automatically started up and automatically paired. Being put into the charging cabin, the earphones are automatically shut down, disconnected, and begin to charge. 3.Intelligent Quick Charge and Long Standby: With the built-in battery in the charging bin, the cabin body can be quickly charged. Besides, their standby time can reach up to 5 hours. 4.Intelligent Noise Reduction: No worry about the environment around you is very noisy, because the noise-reduction technology makes it comfortable to wear and help to exclude the noises. 5.Strong Compatibility: The earphones are compatible with iOS and Android system as long as your cellphone support BT function.