Seiko ST01 Automatic Chromatic Tuner as keychain

• Colour: silver
• Compact, handy, with key ring for easy portability
• Easy operation
• Built-in microphone
• Automatic Tuning Mode
• Tuning Range: A0 - C8
• Pitch-Shift: A4=440 Hz
• Memory-Backup Function
• Auto Power Off after 20 minutes (without sensing a note) to conserve battery life
• Heavy-duty construction (with metal parts)
• Power supply: via lithium battery (is included)
• Dim. (HxWxD): approx. 6,5 x 1,8 x 1,1 cm