SLXD Portable Digital 1-Channel Wireless System, includes 1 SLXD5+ Portable Receiver for camera and audio bag, Bluetooth remote monitoring and control, USB-C powering and charging port, headphone monitoring connector, Multi-Mic Mode, AES-256 encryption, Digital Feedback Reduction, controllable via WWB Mobile APP, 1 SLXD3+ Plug-On Transmitter, with patented wobble-free locking ring, 12/48V phantom power, 2 carrying bags, 1 WA311 Non-Conductive Cold Shoe Mount Adapter, 4 AA alkaline batteries (optional: SB903 Rechargeable Li-Ion Battery), 1 locking 3.5mm-to-XLR cable (18"), 1 Locking 3.5mm audio extender cable (16"), 1 leather protective sleeve with integrated belt clip for SLXD3+, (optional: WA301 Water-Resistant Silicone Protective Sleeve for SLXD5+), frequency band G57 (470-608 MHz, tuning range 138 MHz)