?lComfortable to wear & IP6 Waterproof?z: The weight of a single ear is only 3.9 grams, light and comfortable to wear, ergonomic in-ear surface and angle, fit the shape of the ear, not easy to fall off, bringing a comfortable wearing feeling and fit. The waterproof level is IP6, no need to worry about sweat or rain, suitable for sports outdoor wearing in the rain. (Do not immerse the earphones in water) ?lBluetooth 5.3 Anti-interference Without Delay?z: The new wireless earbuds are equipped with Bluetooth 5.3 EDR technology chip, the signal interference is increased by 80% compared with the previous earphones, you can enjoy more stable 3D stereo music, and at the same time increase the playback communication capacity by 2 times , Realize the synchronous transmission of audio signal and left and right headphones without delay, which side can use monaural/binaural mode stably. ?lAuto-Pair & LED Display?z: After the initial connection is completed, when you use it again, just take the headset out of the charging box, the headset will automatically turn on, and the connection with the mobile phone will be completed automatically. After returning the earphones to the charging case, the LED of the charging case reads the remaining amount of earphones. The multi-function button of the high-sensitivity touch sensor can perform various operations with a single click. ?lSingle Mode & TWS Mode?zThe earbuds can be chose to L / R Solo,so each of the earphone can be used for single channel mode.Also can work for binaural mode,both earphones immerse you in a premium fantastic stereo music ?lTouch Control?zEasy Touch control brings you a more comfortable and convenient experience to answer phones,switch songs and activate voice assistant without operating your mobile device frequently,just easily control it by a simple press on the earbuds.Please note: As we are international seller, our delivery time will take about 10 working days. Our logistics provider and delivery method is: New Zealand Post.