Shure GLXD24/Beta58, Digital radio microphone system, Modern, digital transmission technology, Very easy to use, Lithium-ion battery technology with quick-charge function, Automatic frequency management, LINKFREQ automatically and inaudibly switches to a free frequency in the event of radio interference, Automatic synchronisation of transmitter and receiver: a change of frequency or changes in the gain setting on the receiver are automatically transmitted to the transmitter, Remotely controllable transmitter gain, True digital diversity, Transmission range of the radio system: 20 - 20,000 Hz, 120 dB dynamic range, Up to 8 systems simultaneously, Worldwide registration and toll-free, Set consists of: GLXD4E wireless receiver, GLXD2 handheld transmitter with Beta 58A microphone capsule, SB902 lithium-ion battery, carrying case, microphone clamp.@+*GDLX4E Digital 2.4 Wireless Receiver:*@+@+, High-resolution LC display, Display of battery life in hours and minutes, Integrated battery charging slot, Quick-charger: 1.5 hours operating time after only 15 minutes charging, full charge after 3 hours, XLR and jack outputs, Fixed antennas on the front, Plastic housing, Receiver dimensions: 40 x 183 x 117 mm, Receiver weight: 286 g@+*GLXD2 Wireless handheld transmitter:*@+@+, Up to 16 h battery life, Up to 60 metres range, Transmitting power: 10 mW, Lightweight and robust plastic housing, Locking function of the on/off switch, Transmitter dimensions: 51 x 252 mm, Transmitter weight: 221 g@+*Beta 58A capsule:*@+@+, Polar pattern: Supercardioid, For stages of any size, especially popular on very loud stages, Super-cardioid polar pattern for isolated sound source and reduced background noise, Integrated, air-cushioned vibration absorber minimises handling noise, Integrated, effective wind and pop filter, Frequency response of the microphone: from 50 - 16,000 Hz@+*Optional accessories (not included):*@+@+, WA723 coloured hand-held transmitter housing: silver Art.#364188#, red Art.#364184#, blue Art.#364189#, gold Art.#364185#, pink Art.#364187#, white Art.#364197#, SBC902 USB charging station: Art.#322281#, SBC-CAR USB charger: Art.#322282#, SBC-USBE MicroB charger: Art.#401019#