Features 1、【Precision Tuning】: Our tuner is equipped with a core chip technology that accurately identifies pitch, ensuring precise tuning. The tuning frequency can be adjusted between 430HZ~450HZ, supporting both manual and automatic tuning modes. The pickup operation is simple and convenient, making it a perfect tool for musicians. 2、【Real-Time Feedback】: The tuner provides real-time feedback on a five-line staff, displaying the note and pitch deviation as you play. This immediate response allows you to correct your pitch as you practice, improving your overall performance. 3、【Versatile Note Switching】: Our tuner allows you to freely switch between high and low notes. It follows your sound and displays the note and pitch deviation in real-time. This feature helps you to accurately select the key you need to practice and compares the deviation of your sound and the natural sound within the key. Specification Features: 【Precision Tuning】: Our tuner is equipped with a core chip technology that accurately identifies pitch, ensuring precise tuning. The tuning frequency can be adjusted between 430HZ~450HZ, supporting both manual and automatic tuning modes. The pickup operation is simple and convenient, making it a perfect tool for musicians. 【Real-Time Feedback】: The tuner provides real-time feedback on a five-line staff, displaying the note and pitch deviation as you play. This immediate response allows you to correct your pitch as you practice, improving your overall performance. 【Versatile Note Switching】: Our tuner allows you to freely switch between high and low notes. It follows your sound and displays the note and pitch deviation in real-time. This feature helps you to accurately select the key you need to practice and compares the deviation of your sound and the natural sound within the key. 【Noise Reduction】: The tuner is designed to shield changing sound interference, reducing the impact of external noise on the audio signal and improving the accuracy of the sound quality. This feature ensures that your practice sessions are not disturbed by unwanted noise. 【Universal Application】: This tuner supports twelve-tone equal temperament tuning, making it suitable for a variety of instruments such as string, wind, vocal, violin, and more. It also comes with a standard sound mode, allowing you to adjust the volume of the sound at any time. The tuner automatically detects the pitch of your sound and emits the corresponding accurate pitch, allowing you to switch in real-time and compare pitches. Specifications: Charging Time: 1 hour Usage Duration: 3H in fixed tone mode, 10H in calibration mode Vibration Frequency Display Range: 410Hz-450Hz Battery Capacity: 3.7V/600mAh Applicable To: String/orchestral/vocal/violin/twelve equal tempo Product Material: ABS Product Color: black Product Size: 12.5 * 6.5 * 2cm/4.9 * 2.6 * 0.8inch Product Weight: 103g/3.6oz Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Tone Generator 1 × USB Cable 1 x Clip Pickup 1 x User Manuel Package List 1 x Tone Generator 1 × USB Cable 1 x Clip Pickup 1 x User Manuel