Advanced, Smart Pocket portable, stereo digital wireless instruments and audio monitoring system for live performance with two-way USB 2.0 wireless audio connectivity that redefines the wireless experience for guitarists, bassists, keyboardist, drummers and audio monitoring professionals . This all-in-one, multi-purpose system combines all the features required for musical instruments, audio monitoring, silent practice, live performance, audio line level feeds and 2-Way wireless USB 2.0 audio applications in a small, rugged, lightweight design while providing up to 30 m of secure, uncompressed 16-bit, 48 kHz CD quality, wide 15 Hz to 20 kHz frequency response wireless audio connectivity without radio frequency (RF) interference, signal loss, or crackle inherent in UHF/VHF systems. This system was designed to provide digital wireless freedom to any electric lead, bass and electric acoustic guitar including guitars with stereo/dual pickup outputs, effects pedals and processor systems. The rugged transmitter easily attaches to any guitar strap without posing any risk to the gear. Visually unobtrusive, this ultra lightweight, 30g transmitter is carefully styled to discreetly support any electric/electronic strings including violin, viola, mandolin, upright bass and wind instruments without impeding body movement. The system delivers pure and pristine full-range tones with wide band frequency response and exceedingly low noise, studio-quality resolution on stage or in silent practice sessions to satisfy the most demanding musician. The system can also work as a pocket portable sized, plug in and play digital wireless guitar interface experience for iOS, Android and Windows smart devices. Simply connect it between the guitar and the smart device and then connect the smart devise to the amp, mixer, powered speaker, or live sound system using standard 6.3mm cable for untethered performance. The system features high-quality, low-noise preamp gain controls conveniently located on both of the transmitter and the receiver for easy thumb access to dial in the prefect gain level for the guitar without accessing the software. It is also designed from its inception for digital pianos, synths and keyboards wireless audio setup applications. It can support a single stereo wireless keyboard connection or two wireless keyboards in mono connection without the AC hum or crackle associated with instruments' cables. The compact and ultra-light transmitter and receiver are incredibly easy to wear and can be attached to belts, shirts and pants’ pockets without impeding body movement. Engineered with super strong, universal mount, metal belt clip with 6.3mm-20 screw mount, the transmitter and the receiver can be securely or permanently attached to floor multi-effects pedal boards, amps and audio gear including stands, tripods and bipods for elevated and unobstructed line of sight setups. The system power source’s flexible design boasts an internal rechargeable battery for 4~6 hours of battery operation. The standard USB AA battery adapter can be added for up to 13 hours of extended use. There is also an AC power adapter for continuous operation. A USB bus power can be also used to charge and operate the system. Transmission format: 2.4 GHz digital wireless. S/N ratio: >90 dB. Distortion: 0.12% THD.