rechargeable chromatic auto-on tuner (also G+B+U), white Features:

Rechargeable Cab Tuner* Chromatic tuner with Guitar (CompensationTuning), Bass, and Ukulele modes.* Compensation & beginner-friendly tuning in Guitarmode, 6-string bass detection in Bass mode.* Built-in rechargeable battery allows up to 10 hoursof continuous use per charge.* High-contrast color display with strong and flexibleclip for the best viewing angle.* Auto power-off function for maximum battery life.

Specifications:

Tuning range: A0(27.5Hz) ~ C8(4186Hz)
- Detection method: Piezo(Clip)
- Reference pitch: 431Hz ~ 449Hz
- Tuning modes: Chromatic, Guitar(STD), Guitar(CPS), Bass, Ukulele, Baritone
- Tuning precision: ±1 cent
- Power: Built-in rechargeable Li-Po battery
- Dimensions: 49mm(L) x 26mm(W) x 40mm(H)
- Weight: 21g