SEIKO STX-7 Tuners

Clip-on tuner with rechargable battery via micro usb cable and built in torch. Works by vibration or built in mic.
Tuner
• Tuning Range: A0 ~ C8
• Pitch Shift: A4＝415, 437 ~ 444Hz (1Hz Step)
• mode: Auto Chromatic
• Input Mode: Built-in vibration sensor/Built-in microphone
• Torch: LED Torch (high/low)
• Battery: Re-chargable via Micro USB charging cable (included)
• Size: 70(W)×30(H)×38(D)mm
• Weight: Approx. 42g