Clip-on Tuner Specification: 1. A4 frequency:440Hz 2. Tuning item: Chromatic, Guitar, Bass, Violin, Ukulele C(standard mode 4G 3C 2E 1A), Ukulele D(one note higher 4A 3D 2F# 1B) 3. Dimension: 2.0 x 1 x 3.0in (50 x 26 x 76 mm) 4. Weight:0.67oz(19g) How to tune: 1. Get the mode ready for tuner as what you want. 2. Clip the tuner onto your instrument, adjust the tuner for the best viewing angle. 3. The tuner displays note name and accuracy when you play the instrument. If indicator points left, the note is flat; if indicator points rights, the note is sharp; the note is in tune if indicator stays vertical and the screen in green. Accessories: 1. Manual 2. Battery: CR2032, 1 piece(replaceable) Capo: 1. Suitable for Guitar, Ukulele, Banjo, Bass, Mandolin. 2. Made of aircraft-quality aluminum, with silicone pads, spring-action grip. 3. Capo tight on strings and no more fret buzz, stainless steel spring with internal memory to provide strength and fatigue resistance, it puts just enough pressure on the Instrument. 4. With silicone pads, it can protect your precious guitar from any scratches or damage. 5. Quickly and easily releases and re-positions with one hand without disturbing tuning, the strong spring action clamps it firmly in place. 6. Dimension: 3.1 x 3.0 x 0.7in (78 x 75 x 17 mm) 7. Weight: 1.65oz(47g) Guitar Restringing kit: 1. Guitar cutter & guitar winder & guitar pin puller are built in, with ergonomic and high-quality design, it makes string replacements quicker and easier, it can be used for Guitar, Bass, Violin, Ukulele, Banjo, Mandolin etc. 2. Materials: ABS and stainless steel, durable and comfortable. 3. Size: 4.5 x 2.0 x 0.9in(115 x5 0 x 22mm) 4. Weight:1.05oz(30g) Guitar picks: Thickness: 0.048in(0.7mm) Materials: ABS