The SNARK ST2HPT (High Precision Chromatic Tuner) Rechargeable Clip on All Instrument tuner is a fully upgraded HPT Hig Precision Tuner with high speed processing featuring Snark’s patented anechoic shielding, blocking ambient noise for cleaner microphone readings and tighter pitch detection, with dual vibration and mic tuning making it perfect for all guitars, basses, folk stringed instruments, brass and woodwind. Includes a high resolution, full colour LCD needle display screen - can be read from any angle and has a strong rotating ball joint arm. Tunes all instruments with astonishing accuracy using a super sensitive vibration sensor and aided by Snark's new super-fast chip with Pitch calibration (default 440Hz) and can be pitch shifted from 415-466 Hz. Displays the note played: red indicates flat; yellow - sharp; green - in tune. Power save and auto off feature. Can be recharged from any USB source using the supplied USB Micro-B cable (no batteries to change). Clip on to any instrument and rotate the display. Oxygen Music stocks a range of  tuners and accessories for stringed instruments including popular and affordable Snark clip on rechargeable All Instrument Chromatic tuner. ST2HPT