Here is the specification of the Joyo JT-202 Standard BK electronic tuner :Latest software: ensures up-to-date and optimal performance of the device.

Fast and precise tuning: allows for accurate tuning in a short time.

Ultra-thin, sleek design: ergonomic, slim design, easy to store and carry.

High contrast display: ensures readability even in low-light conditions.

Scratch-resistant display filter: provides extra protection for the display, enhancing durability.

Built-in battery: the device includes an integrated battery, eliminating the need for frequent replacements.

USB charging port: allows easy charging via USB, ensuring the device stays ready to use.

Button with LED indicator: offers additional visual feedback during use.

A4 frequency: 440Hz: standard reference pitch.

Tuning range: from 0A (27.5Hz) to 8C (4186.01Hz): covers a wide frequency range, making it suitable for tuning various instruments.

Weight: 24g: very lightweight, making it easy to transport.

Display size: 33mm x 35mm: compact yet readable display.

Color: Black: elegant and universal appearance.

The Joyo JT-202 Standard BK is a tuner designed for user convenience, offering fast and accurate tuning in a sleek, compact design.