Metronome Tuner: Rechargeable 3-In-1 Digital Metronome Tuner Tone Generator For Product Details [???????????? ????????? ?????]--The first rechargeable metronome tuner is built with a rechargeable battery inside supporting a very long use time, and saving you the trouble of replacing batteries frequently. It comes with an USB Charging cable allowing you to charge via power bank and PC anytime you need. [? ?? ? ??????]--A metronome, tuner and tone generator, all housed in a pocket-sized device, can be used for acoustic and electric guitars, bass, ukulele, violin, mandolin, piano and wind instruments like saxophone and trumpet etc, with three ways to pickup: microphone pickup, pickup clip(included) and guitar cable pick up directly. [????????? ?????]--The fast and accurate tuner boasts a wide detection range of A0-C8, and A4 tuning range of 430-450Hz, with various tuning modes catering to different instruments. We got you covered for whichever instruments you play. [????????? ??????? ?????????]--With tempo range of 30-250, beats 0-9, and 8 different rhythms, this electronic metronome will improve your timing in a rich variety of musical styles. Adjustable volume and headphone jack makes it possible to practice at your preferred environment. [????? ???? ?? ????]--Equipped with large LCD color screen and led indicator making it very user friendly, especially in dark environment. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.