Wireless Earphones Bluetooth Earphones Instant Connection ENC Call Noise Reduction Hi-Fi Heavy Bass Built-in LED Remaining Power Display 36 Hours Continuous Playback Left and Right Separate Type Bluetooth 5.3 + EDR Suitable for Business/Web Conference/Telework/Work/School/Commuting With Japanese Instruction Manual Brand: Tilsnly Model: In-Ear Connection Type: Wireless Cable Features: Cable-free About this product [Automatic Pairing]: Once the initial connection is complete, when you open the charging case again, the earphones will automatically turn on Bluetooth and automatically complete the connection with your smart device. You can listen wirelessly and smoothly. Excellent compatibility with iOS, Android, Windows, tablets, etc. [Equipped with ENC Noise Reduction]: The ENC noise canceling function accurately calculates the direction of the speaker's voice during a call, protecting the target voice while eliminating various environmental interference noises, and can reduce environmental noise by up to 38 decibels. It enhances the voice of the person on the call, making the call clearer. [Bluetooth 5.3 + EDR]: Bluetooth 5.3 EDR technology increases the transmission speed by 4 times, the transmission distance by 4 times, and the broadcast communication capacity by 8 times. Complete circuits are installed in both the left and right earphones, and audio signals are transmitted synchronously to both ears. Both can be used independently, and you can freely switch between single-ear/dual-ear modes. [High-Quality Driver]: Supports HD audio decoding technology, SBC, AAC high-quality music formats, and is equipped with a 13mm titanium-plated composite diaphragm speaker, creating a clear and natural wide sound field, bringing true binaural stereo effects. [Built-in LED Remaining Power Display]: The remaining battery level of the earphones themselves can be checked on the built-in LED screen of the case. Displayed numerically on the LED screen, you can see the remaining battery level of the earphone charging case at a glance.