The Lenovo HT38 True Wireless Bluetooth Earbuds are a sleek and modern way to enjoy your music on the go. This user guide provides detailed information on the product’s specifications, including the Bluetooth version, speaker drivers, and wireless transmission distance. The earbuds come with a charging case that has a battery capacity of 250 mAh, allowing for approximately 3 hours of music time and 4 hours of call time. The guide also includes instructions on how to pair the earbuds with your mobile phone and how to use them as separate mono earbuds. Additionally, it provides important information on environmental recycling and disposal, battery recycling, and RoHS compliance. If you encounter any issues with your Lenovo HT38 True Wireless Bluetooth Earbuds, the guide provides information on how to obtain warranty service from your Lenovo dealer. With this comprehensive user guide, you can confidently use your Lenovo HT38 True Wireless Bluetooth Earbuds to enjoy your favorite tunes anytime, anywhere.