☆  Mini Clip On Color Display Chromatic Tuner A1: The Swiff A1 Clip-On Color Display Turn works with most stringed instruments, it is easy to operate even under darkened stage conditions. Built-in vibration or MIC sensor for accurate tuning in noisy areas. Full screen LCD color display. Unique clip design, high quality with beauty. With Flat and Modulation. 

Features: 
Compact size for discrete and simplified placement. 
Large LCD color display, with artistic and easy-to-handle, easy to read in the dark. 
360° swivel clamp is feasible for you to operate the tuner with one hand. 
Color-changing pointer(The needle color is that Yellow means flat, Red means sharp and Green means in tune). 
Built-in vibration sensor, efficient and accurate tuning even in noisy areas. 
Adopts Swiff newly-developed software, which can ensure the accuracy, speediness and stabilization of tuning. 
When there is no activity for 5 minutes, the tuner will shut down automatically. 

Specifications: 
Color: Black 
Tuning Scale: Chromatic, Guitar, Bass, Violin, Ukulele 
Tuning Mode: Vibration / MIC 
Tuning Range: A0 (27.50Hz) ~ C8 (4186Hz) 
A4 Range: 410Hz~490Hz 
Key: C, F, B♭, E♭(Chromatic) 
Flat: ♭-♭♭(Guitar, Bass) 
Precision: ±1 cent 
Response Time: ＜20ms 
Powered By: 3V CR2032 Lithium battery (not included) 
Item Size(with clip): 8.6 * 7.1 * 2.8cm / 3.4 * 2.8 * 1.1in 
Item Weight: 31g / 1.1oz 
Package Size: 13.3 * 10.5 * 2.7cm / 5.2 * 4.1 * 1.1in 
Package Weight: 54g / 1.9oz 

Package List: 
1 * A1 Clip-On Color Display Tuner 
1 * User Manual(English) 

Note: 
Battery is not included.