Jowoom Multi-functional Smart Guitar Tuner

"Strum Smart, Stay in Tune: Jowoom - Your Ultimate Multi-functional Guitar Tuner" Features: Smart tuner + string winder 2-in-1 multi-functional string instrument tool for string instrument players. Supports auto tuning mode, semi auto tuning mode and custom tuning mode, different modes designed for optimized tuning experience. Suitable for acoustic guitar, classic guitar, electric guitar, ukulele and chromatic tuning, and with colorful LCD display showing the tuning status, convenient to use. Fast and easy wingding, just press the UP/DW button, then you can tighten or loosen the strings quickly, save time and energy; direction indicators allow you to confirm the wingding direction easily. Built-in 2600mA lithium battery, which can be recharged by the included USB cable, and the charging indicator let you know the current battery capacity. Product video: Specifications: Color: Black and white Power Supply: 1 * 3.6V 2600mA Rechargeable Lithium Battery Charging T