Features: Versatile and Convenient: The Three-in-One Beat Tuner is a versatile and portable tuner that can be used for acoustic guitars, bass guitars, ukuleles, and violins. Its compact design allows for easy transportation, and the foldable stand provides convenience during performances. Clear LCD Display: Featuring a large LED color screen with a clear and concise interface, this tuner ensures that you can easily read and understand the tuning information. The detailed craftsmanship guarantees an optimal performance experience. Accurate Tuning: With its powerful functions of tuning, beat detection, and pitch adjustment, this tuner meets the requirements of professional musicians. Equipped with a built-in microphone and interference-resistant clip-on pickup, it offers fast and sensitive tuning results. Intelligent Shutdown: The tuner is designed to automatically power off within five minutes of no signal input or button operation, conserving battery life. Moreover, it can store your custom settings every time it shuts down, saving you from the hassle of reconfiguring. Wide Compatibility: As a reliable accessory for various string instruments, such as acoustic guitars, bass guitars, and ukuleles, this tuner is suitable for both beginners and experienced players. Its accurate tuning capabilities contribute to creating harmonious melodies. Specifications: Calibration Range: A0 (27.5Hz)~C8 (4186Hz) Pronunciation Accuracy: ± 1 cent Pronunciation Projects: Twelfth Avengers, Guitar, Bass, Yukrili, Violin A4 Range: 430~450Hz Beat Mode Speed: 30~280bpm Beat: 0-9 Fixed Tone Mode Range: 2A~6A Fixed Tone Mode Error:<1% Product Size: 10 * 6.2 * 1.5cm/3.9 * 2.4 * 0.6inch Item Weight: 83g/2.9oz 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 Guitar Tuner 1 x 6.35mm Plug Pickup Clip 1 x Instruction manual