Joysico stereo to mono single earbud with microphone and volume control Hear full range audio in one ear and have the other side open for surroundings. Left and right stereo channels are combined into one earbudLightweight earhook design provides longtime comforatble and secure fit4 different sizes ear covers for personalized comfort fit for differnt ear shapesBuilt with microphone, track and volume control for convenient useDurable contrstruction and sturdy cable for longer lifespanHigh quality sound and wide compatibility Wide compatibility, No compliacated setup, No time limited, No charging hassle Plug and play with audio devies with 3.5mm jack: - iPhone SE/6/6s/6 Plus/6s Plus/5/5c/5s - iPod Touch,iPad, Macbook - Android and Windows phones with 3.5mm jack, like Samsung S10, S9, S8, Note 9, Note 8 - MP3, MP4, laptop, tablet, Kindle Fire, computer, etc. . Need lightning adapter to work with: iPhone 11/12/13/13 Pro/14 and other Apple devices with lightning port . Need type C adatper to work with: iPad Pro, iPad Mini Google Pixel, Oneplus Phones and other Android/Windows cell phones only has a type c port Important Notes: 1. PCs with separate audio and microphone jack need a headphone splitter to use the microphone 2. Volume control feature doesn't work on PC, laptop and old version iPods 3. Volume up feature doesn't work on Pixel 3A and Galaxy A9, S10, Note 9 4. No adapter included in the box Important Notes: 1. PCs with separate audio and microphone jack need a headphone splitter to use the microphone 2. Volume control feature doesn't work on PC, laptop and old version iPods 3. Volume up feature doesn't work on Pixel 3A and Galaxy A9, S10, Note 9 4. No adapter included in the box Comfortable in ears and stay put Secure Fit Design Wrap around ear design helps prevent earbuds from falling out of ears， even when moving your head. Long Time Comfortable Lightweight and ergonomic design provides a long time comfortable fit, even for small ears. 4 Sizes Eartips and Shirt Clip 3 different sizes eartips (S, M, L) offer comfortable, sung seal for different sized ears. Also include a shirt clip to keep cable from moving around. Stereo to mono design with decent sound quality Stereo to Mono This single earbud converts stereo to mono, so you can get both left and right channels in one ear piece and hear full range of sounds. Decent Sound Quality High quality driver delivers decent bass, clear vocals and crisp highs for music, audio books, podcasts and radio. Also loud enough to clearly hear others on conference calls in busy office. Clear Mic The inline microphone picks up your voice clearly without any background and static noise. Easy control and built to last Easy Track and Phone Control Use the 3-button remote to easily pause/play music, skip tracks, answer/end phone calls, control volume, activate voice control, redial last-called number, without ever having to reach your device. (Note: some functions will not work on some phone models.) Sturdy Cable Thick and enhanced cord with strong filaments inside to ensure trouble-free use. Hard Carrying Case Hard travel case included to keep the wire from being destroyed. And help easily store and keep track of the earphones and accessories. Perfect size to have for travel. For one ear hearing and outdoor safety For Single Sided Deafness People have little hearing in one ear can hear full range of sounds and listen in stereo with one earpiece. One Ear Use for Safety Great for use in situations where you have to pay attention with at least one ear. Listen to music, raido, podcasts or phone calls in one ear with the other ear open to hear traffic while driving, running, cycling and walking down the street, hear ambient sounds at work, hear your famlily or kids while watching tv or playing games. Comfortable Single Ear Headset for Calls Have clear and hands-free calls on smartphone or laptop, while being able to hear people around you and know what's going on in the office.