Singtrix® Party Bundle Stadium Edition addons_master Uses (2)AA & (2)AAA batteries

Uses (2)AA & (2)AAA batteries not included

Weighted & Perfectly Balanced

one backup

hard-tune (Advanced Vocal Tuning)

30 Programmable Frequencies

Singtrix® Party Bundle Stadium Edition addons_master Uses (2)AA & (2)AAA batteriesAvailable on Amazon. com Shipping Note: Shipping to contiguous Continental US only via UPS Ground from Gilroy, California. For transit times, see UPS Ground Map. MAKES BAD SINGERS SOUND GOOD 375+ effects, skill levels, natural pitch correction, hard tune (Advanced Vocal Tuning), harmonies, reverb, delay, extreme effects & more 4 PART HARMONIES CHOIR OF VOICES AT THE TOUCH OF A BUTTON like having instant backup singers QUALITY POWER SIMPLE PLUG & PLAY