The Lenovo XT82 Bluetooth 5.1 Mirror Display Gaming Wireless Bluetooth Earphone in black is a wireless earphone model by Lenovo that offers various features suitable for gaming and everyday use. Here are the key specifications of this product:Bluetooth Version: The earphones are equipped with Bluetooth 5.1 technology, ensuring a stable and efficient connection with compatible devices.Communication Distance: The earphones have a communication range of about 10 meters, providing flexibility and freedom of movement while using them.Speaker Size: Each earphone features a speaker size of 13mm, which can deliver clear sound quality for an immersive audio experience.Speaker Power: The speaker power is rated at 5mw*2, indicating the output capability of each earphone for delivering sound.Sensitivity: The sensitivity level is -42db+3db, which influences how well the earphones can pick up sounds and reproduce them accurately.Frequency Range: These earphones offer a frequency range of 20Hz-20KHz, covering the audible spectrum effectively for a rich listening experience.Music Time: Users can enjoy up to 4 hours of music playback on a single charge, allowing for extended listening sessions without frequent recharging.Battery Capacity: The earphones have a battery capacity of 30mAh each, while the charging compartment has a larger capacity of 300mAh for convenient recharging on the go.LED Display: Featuring an LED display, users can easily check the status of the earphones at a glance, such as battery levels or connectivity status.Waterproof Function: These earphones come with a life waterproof function, making them resistant to water splashes and sweat during workouts or outdoor activities.Ergonomic Design: Designed for comfort, these earphones feature an ergonomic design that ensures a secure and comfortable fit during extended wear.Intelligent Noise Reduction: With intelligent noise reduction technology, these earphones provide clear call experiences by minimizing background noise during calls.Dual Independent Chips & Dual Channel Transmission: The earphones are equipped with dual independent chips for efficient processing and dual-channel transmission for enhanced connectivity performance.In conclusion, the Lenovo XT82 Bluetooth 5.1 Mirror Display Gaming Wireless Bluetooth Earphone in black offers a range of features tailored for users seeking wireless audio solutions with gaming capabilities and everyday functionality.