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 wirevinless mission band (ISM Band), 2.4bit/48KHz sample rate, gig you , low interference, lossless professional sound quality. 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 1/4inch 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. 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 + 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: 3.7V 1100mAh mit Battery: 780mAh Receive Battery: 450mAh Playing Time: 8h Charging Device: 1 in 2 out USB charging cable (support quick charge) Colour:Black Material:plastic Package Contents: 1 x mitter 1 x Receiver 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.