< br > the beautiful voice conquers your ears. < br > Four advantages: long battery life, IPx 4 waterproof, Bluetooth 5.3 chip and comfortable fit. < br > details of sound recovery of 13mm dynamic speaker. < br > graphene material can effectively reduce the vibration of diaphragm and avoid deformation. < br > open the lid and automatically pair to start your wireless life. < br > The charging box is equipped with a Hall switch, so you don't need to take off the earplugs to open the lid. After the initial connection, it will automatically enter the pairing mode, and the lid will be quickly reconnected. < br > simple pairing and powerful power storage. < br>L/R earplugs can be used alone. < br > enjoy smooth operation with intelligent touch control. < br > left earphone Press 2 to play/pause. Press 3 times to increase the volume. Press 4 to switch to the previous song. Press game/music mode 5 times. < br > right earphone Press 2 to play/pause. Press 3 times to lower the volume. Press 4 to switch to the next song. Press game/music mode 5 times. < br > the headset handle supports touch operation, and the feedback is quick and real, which can realize song switching, volume adjustment, long press for three seconds to call Siri, call control and so on. < br>Touch key, which can be reached at one touch. < br > semi-in-ear design is more ergonomic. Soft and comfortable, it doesn't hurt if worn for a long time.