DOUBLE SFT Same Frequency Trans OS1 On-board Preamp Guitar Resonance Pickup System with Reverb Chorus Delay Pre-installed Li-ion Battery Requires Hole Opening for Installation

Dual-pickup system with piezo pickup and microphone captures detailed and dynamic sound Increases guitar body's frequency response for a more resonant, solid and dynamic sound Lightweight design at just 207g, won't add burden to your guitar playing Innovative guitar preamplifier with transmission device for enhanced sound Constructed from durable ABS material for longevity Package includes pickup, end-pin jack, vibrating horn, pickup wire, Type-C cable and clips. Features DOUBLE reverb effect module for innovative sound creation Compact size at 90 x 50 x 45mm, makes it easy to carry around Rechargeable 2000mAh battery ensures extended use time Equipped with BT connection function for cellphone pairing and background play