Mooer Air P05 Wireless System; digital wireless system for guitars, basses and other instruments, 4 switchable channels allow parallel use of 4 systems, rechargeable 400 mAh battery for long battery life, automatic sleep mode, range up to 20 m (without obstacles), less than 7 ms latency, frequency range 20 - 20,000 Hz, 2.4 GHz ISM band for worldwide use, 16 bit / 48 kHz A/D converter, 95 dB dynamic range, runs up to 8 hours per battery charge (1.5 hrs for a full charge), On/Off/Channel Switch, status LEDs shows selected channel and indicate battery life, USB Type-C connector, dimensions (L x W x H): 125 x 30 x 20 mm / 4.92" x 1.18" x 0.79", weight 85 g / 0.19 lbs, incl. USB charging cable, Note: The system is not compatible with active electronics or pickups