[Long & Stable Wireless Range] Up to 90ft (outdoor) / 40ft (through-wall) working distance; 2.4GH z band ensures stable signal (delay 8ms) [Mono/Stereo Switchable Modes] Mono (M) for instruments (guitar/bass) in performances; Stereo (S) for mobile/sound card audio (music listening) [Long
Battery Life & Rechargeable] Transmitter: 400mAh (8h use);
Receiver: 500mAh (10h use); 2-3h charging time [Practical Receiver Design] Built-in headphone jack + volume control; clip-on design for easy carrying [Complete Accessory Kit] Includes transmitter, receiver, headphones, XLR cable, Type-C cable, and 6.35 mm adapter