Bomaker SiFi II In-Ear Bluetooth Truly Wireless Headphones 5 Sizes Ear Tip IPX7 waterproof Earbuds Usb-C Quick Charge Headset Bluetooth 5.0 Connection: Adopt the advanced Bluetooth 5.0 technology, which greatly improve the transmission speed and providing you with a low-latency listening experience. 30hrs Playtime with Rapid charging Case: Bomaker SiFi II Wireless Earbuds provide up to 7 hours on a single charge. Moreover, the charging case provides about 23 hours of additional charge. This allows you to listen for a total of 30 hours without the need to plug in. Not only that, but the charging case supports rapid charging. If the earbuds are totally dead, you’ll get an hour’s worth of charge in only 10 minutes. The earbuds will fully charge in about 90 minutes, and the case will charge in 2 hours via USB Type-C. Touch Switching Feature: One touch to play or pause playback. Two taps to skip to the next track (right) or go back to the previous one (left). Three taps to summon Siri.Long touch to increase volume (right) or decrease it (left). Take or hang up a call with a touch. They are quite simple controls to learn,even exercising. It's easy to control playback and volume even when you are exercising. IPX7 Waterproof: The SiFi II earbuds are IPX7-rated for water resistance. It means they can withstand immersion in one meter of water for up to 30 minutes. You can work out with them and not worry about sweat. You can wear them in the rain, and they won’t get wrecked by the moisture. You can even wear them in the shower or take them for a swim. The box includes three extra sets of ear tips in different sizes. If you’re not happy with the default medium tips, try a large or small tip as befits your needs. 6mm graphene driver: Bomaker SiFi II Wireless Earbuds utilize a pair of 6mm graphene drivers. Sound quality in the high frequencies is excellent. Whether you like classical or country music, strings have plenty of shimmer and clarity. Moving down to the middle range, vocals are equally clear. They don’t get muddied up by the bass or distorted by the treble. The bass is also nice and clear. Total 30hrs playtime with charging case Role switching feature Expertly-tuned 6mm graphene driver, PEEK composite 6? diaphragm with crisp highs and deep bass LDS laser antenna, stable connectivity, without lip-sync issues Bluetooth 5.0 chipset, more stable connection #ONSALE