Audio Components WP-5G wireless transmission system is designed for electronic instruments wireless connection. This product characteristics low noise, low latency, high resolution, and long transmission. Just enjoy with the wireless system. Features: Latency time is as low as 5.6ms, make your performance more smooth; effective distance up to 30 meters, free from wired cable, for more handy and flexible use. With 5.8G wireless transmission tape (ISM Band), 2.4bit / 48KHz sample rate, making you high quality, low interference lossless professional sound quality. Stay away from the hidden 2.4G / UHF band. Support 4 sets of devices work simultaneously, one-on-one connection and no interference; one-key channel to be changed favorably. 190 rotatable 1 / 4 plug, wide on all equipment with 6.35mm jacket. Built-in 1100mAh battery, permanent more than 8 hours of continuous use time. Support 1.5 hours of fast charging. Specifications: Sample Rate: 24bit / 48KHz uncompressed professional sound quality Wireless Band: 5.8G Latency: 5.6ms Range: 30m / 98.4ft outdoor or 15m / 49.2ft wall distance THD + Noise: -98dB Dynamic Range: 105dB ONE weighted Frequency range: 20 ~ 20KHz, 1dB / -3dB Channel: 4 sets of devices work simultaneously Battery Capacity: 3.7V 1100mAh Play time: 8h Charging Device: 1 in 2 out USB charging cable (support fast charging) Item Size: 90 * 43 * 14mm / 3.54 * 1.69 * 0.55in (unfolding state, the most important body) Item Weight: 51g / 1.80oz (only one) Package Weight: 236g / 8.32oz Package Size: 15.3 * 12 * 4.5 cm / 6.02 * 4.72 * 1.77 in Packaging List: 1 * channel 1 * recipient 1 * Usb cable 1 * Storage bag 1 * Manual (English and Chinese)