Features: Latency time is as low as 5.6ms, making your performance more smooth; Effective distance up to 30 meters, free from wired cable, for more convenient and flexible using. With 5.8G wireless transmission band (ISM Band), 2.4bit/48KHz sample rate, giving you high quality, low interference, lossless professional sound quality. Stay away from the congested 2.4G/UHF band. Support 4 sets of devices working at the same time, one-to-one connection and no-interference; one-key to change channel conveniently. 190° rotatable 1/4" plug, widely apply to all o equipment with 6.35mm jack. Built-in 1100mAh storage battery, enduring more than 8 hours continuous use time. Support 1.5 hours quick charge. 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 A weighted Frequency Response: 20-20KHz, 1dB/-3dB Channel: 4 sets of devices working at the same time Battery Capacity: 1100mAh Playing Time: 8h Charging Device: 1 in 2 out USB charging cable (support quick charge) Item Size: 9 * 4.3 * 1.4cm / 3.5 * 1.7 * 0.6in (unfold state, the main body) Item Weight: 51g / 1.8oz (single one) Package Size: 15.3 * 12 * 4.5cm / 6 * 4.7 * 1.8in Package Weight: 230g / 8.1oz Package List: 1 * Transmitter 1 * Receiver 1 * USB Cable 1 * Storage Bag 1 * User Manual (English&Chinese) Note: Actual range is dependent on RF environment, including reflections, interference and absorption.