Smart-life---Committed to providing excellent product for all customers. Why chose F09 Wireless Bluetooth Earbuds? *TWS Technology & Noice Reducation Wireless Earbuds that produce flawless audio streaming, bring astonishing high-fidelity sound. *Advanced Bluetooth 5.0 technology provides a fast and stable connection. Compatible with most Bluetooth-enabled devices, such as: Huawei, LG, Sony etc. *Great battery life: About 5-6 hours play time on a single charge. The charging case is tiny and easily fits into a pocket, offering even more listening time. *IPX5 water resistance: This lightweight sport earbuds can always stay put during normal activity, ideal for sweating it out at the gym. *Ergonomically design In-Ear stereo wireless earbuds, fit nicely in the ears. How to use it? One Step Pairing Technology 1. Take out the wireless earbuds from the charging box, they will be automatically powered on and interconect. 2. Turn on the Bluetooth of your phone, Click "F09" in your device, easy to pairing! *The true wireless earbuds will automatically connect with the last paired Bluetooth device. Touch Control Technology Play/Pause: Touch L/R key one time to play/pause music. Previous song: Touch "L" twice Next song: Touch "R" twice Volume control: Long touch "R" in row to increase volume; long touch "L" in row to decrease volume. Call: Touch one time to answer a call, long touch 2S to reject. Touch one time to hang up the call during calling.