The XT88 Bluetooth earphone is designed to provide a seamless wireless experience for music, calls, and media consumption. Its in-ear design offers a snug fit and excellent sound isolation, while the dynamic vocalism principle delivers clear and immersive sound. Crafted from durable plastic, this earphone is built to withstand daily use and offers convenient wireless communication. It has a 10M Bluetooth transmission distance, AAC and SBC audio decoder, and a 1.5 hour charging time for 4 hours of playback. The model is the Lenovo thinkplus with a 13mm speaker diameter, Bluetooth version 5.3, and a 35MAH * 2 headset capacity. The charging bin battery has a capacity of 250MAH. For safety, avoid squeezing the earphone and keep it away from children, as some parts may detach and cause harm if swallowed. To pair the TWS earphones, turn on both headphones and they will automatically pair if there is no previous pairing record