The BOSS WL-50 is a high-quality wireless system for guitars, allowing for free performance. - Model: WL-50 - Brand: BOSS - Type: Wireless System Operation confirmed. Box included. Contents present. Adapter not included. The following is quoted from Soundhouse: BOSS / WL-50 ■ Wireless set for guitar/bass ■ Transmitter and receiver set ■ Features ・Compact pedal size, ideal for integration into a pedalboard ・Automatically establishes the optimal wireless connection, significantly reducing setup time and effort ・BOSS's proprietary wireless technology provides high-quality sound and stable connection with an ultra-low latency of 2.3ms. (Transmission range: 20m) ・Transmitter with a built-in rechargeable battery, allowing for up to 12 hours of continuous use ・Charging and automatic wireless connection are possible simply by connecting the transmitter to the receiver's docking port *1 ・Cable tone simulation that reproduces the natural sound changes when using a guitar cable (LONG / SHORT / OFF selectable) ・Receiver uses either the optional AC adapter PSA-100S or two AA batteries for power ・When using the AC adapter PSA-100S, the receiver's DC output terminal can be used to supply power to other pedals using the optional parallel DC cord PCS-20A