18:17 Free from wires with True Wireless Earbuds Boltune True Wireless Stereo in-ear Earbuds make for hassle-free wireless connection to stream high-quality music and phone calls. Automatically connect to your device in few seconds one you open the lid. Note: make sure you have paired before and the charging box is powered. Active Noise Cancelling Technology Drown out unwanted Noise for travelling or commuting on subway, bus, or plane, resulting in improved music or phone call quality. Let you enjoy more pure music and immerse yourself in your own world. Wearing comfort All-day comfort at its best. BT-BH020 features an ergonomic design of the lightweight and three sets of ear tips with different size, while reducing the pressure on the ears and the overall weight of the headphones. More fits on your ears and won't slip out, giving you a more comfortable wearing experience. Longer battery life with quick charging BT-BH020 is featured with Bluetooth 5.0 a lower power consumption version which improve the battery lasts hours; a USB C charging port - fully charged within only 1.5hours. Effective working range: 15 meters (without obstacles). The right earplug is the main source. When you carry the left earbud and the phone and leave the right ear for a distance, the left ear will prompt to disconnect, but please don't worry, you will reconnect after 5 seconds, you can continue to enjoy your music when you back in range of effective connection. Warranty Every item from Boltune is covered by warranty for 18 months. You are always welcomed to contact us through 24-Hour Customer Service on Amazon. Or simply click our name and our Sales Team will always be happy to support you any time before- and after-sales.