This "Multi-function" digital metronome is multi-functional and easy to use. It has a clear LCD display and indicator light, and features "select" and "up" or "down" adjusters for rhythm type, tempo, beat & volume. "Tempo testable" Built-in TAP function allows you to test the ideal tempo and melody tempo. "Clip type, portable" The back of the portable metronome has a clip and sling hole structure design, making it easy to fix and carry. It has a headphone output. Specifications: Material: Plastic Color: Black Size: Approx. 5.5 x 3.2 x 3.5cm / 2.1 x 1.2 x 1.3 inches Power: 1 x 3V 2032 button cell (test battery included) Tempo: 30-280bpm Beat value: 0-9 Accuracy: +/- 0.001 Weight: Approx. 30g Manual: English/Chinese (Opened for inspection and shipped with batteries installed.) I also have other musical instrument-related items for sale, so please take a look at my other products if you'd like (*^^)v Thank you (*^^)v 【Notes】 ・Shipping is closed on Saturdays, Sundays, and holidays; items will be shipped on the next business day. ・In principle, if payment is received by 3 p.m., there is a high possibility of same-day shipping. ・All items are sent with free shipping. ・We have stock, so you can buy directly without commenting. ・Items will be sent in simple packaging. The shipping method varies depending on the product, so please check. ・If you purchase multiple items, there will be a discount on shipping costs. Please contact us via comment before purchasing. ・The color may differ slightly from the actual product due to lighting conditions and monitor differences. ・We try to answer questions as quickly as possible, but please note that there may be delays depending on the timing. ・We will exchange or refund for initial defects, so please contact us before leaving a review. We may not be able to respond after a review has been left.