Product detailsControl on:NoActive noise-cancellation:YesStyle:Ear hookWireless type:BluetoothConnectors:NoneCommunication:WirelessVocalism principle:DynamicVolume control:NoFrequency response range:20-20000hzFunction:For mobile phoneFunction:For video gameFunction:Monitor headphoneFunction:For ipodFunction:SportFunction:Common headphoneSensitivity:1205bbIs wireless:YesPlug type:WirelessSupport memory card:NoWith microphone:YesResistance:16Waterproof:NoLine length:NoneSupport app:NoSuitable system:Ios and androidTalk time:Over 3.5 hoursMusic time:Over 3.5 hoursStandby time:Over 55 hoursWeight:4gElectric quantity display:Support apple iphone and partial android mobile phonesCapacity:30mahCharging time about:1.5 hoursBluetooth headphones specification:Bluetooth v4.1Features:Dynamic and mini appearance designSupport apt-x:No ?Unlike traditional, circular earbuds, the design is defined by the geometry of the ear which makes them more comfortable for more people than any other earbud-style headphones?The speakers inside have been engineered to maximize sound output and minimize sound loss, which means you get high-quality audio??Comfortable and Durable? With Designed ergonomically, the Type C Headphone can fit the ear perfectly and wear comfortably even for long periods of time without any pain. Anti-wrap oxygen-free copper wire inside provides the whole earphones flexibility, make you not only easily walk through backpack and clothes while moving outside activities. Come with Storage Case, keep the usb c earphones safe and extremely portable.?Ergonomic In-ear Headphone: Ergonomically in-ear design delivers more powerful and clear sound, allow you to have clearer phone calls, enjoy excellent quality music streaming and gaming experience, comes with S/M/L silicone cap.?Suitable for MP3, iPod, iPhone, DVD and CD players, as well as portable gaming systems. In-ear headphones allow you to listen to music without interference.