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 audio 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.