Audio Components 2.4GHz Wireless IEM SystemMS-1 wireless in-ear monitor system adopts 2.4G wireless transmission, with lossless sound quality, low noise/lowlatency. One-Key to change mono/stereo input, providing smooth frequency response with any earphones. Auto-PairingThe transmitter and receiver can pairing automatically, no need to manually tune the channel. Turn on the power, long press the two PAIR buttons at the same time to pair, wait until the green light is on, the pairing is successful and use. Thats how simple it is. Low LatencyLong Battery LifeBuilt in Rechargeable Lithium Battery, it can last up to 5 hours per use after a full charge, make suring your show is complete and perfect!! Less than 12ms Latency,24-bit/48kbps high resolution, Broad 20Hz-20KHz frequency response,Dynamic Rang 105 dB. One to MoreOne wireless transmitter can be paired with multiple receivers to send signals. The longest wireless transmittion distance is 90 feet, perfect for small/medium stage performance and daily band practice. Value for MoneyThis is an affordable wireless monitoring system for most people, allowing more people to spend less money to enjoy the joy of professional music.What you will get is: a wireless transmitter, a receiver, two 3.5mm cables, a charging cable, a 3.5mm to 6.5mm adapter Please dont worry, it is worth for its price and you wont be disappointed! Features: Small size yet has lossless professional sound quality, low noise, low latency, good resolution. 2.4GHz wireless transmission band, 24 bit/48KHz sample rate. One key to switch mono/stereo, meet the needs of your different device. Built-in rechargeable lithium-ion battery that can be conveniently charged by USB. 5 sets of equipment can be supported to work at the same time. Material: ABS Sample rate : 24bit / 48KHz lossless digital transmission sound quality Wireless frequency band: 2.4GHz Delay: < 12ms Range: 30 meters outdoor or 15 meters wall distance Lithium Battery Capacity: 550mAh Charging Device: USB charging cable Signal-to-noise Ratio: -98dB Dynamic Range: 105dB Frequency Response: 20 to 20KHz, +1dB / -3dB Item Size: 54 * 45 * 13mm / 2.13 * 1.77 * 0.51in Item Weight: 31g / 3.64oz Package Weight: 89g / 5.08oz Package Size: 7.4 * 6 * 3.8ccm / 5.12 * 3.15 * 1.57in Package List: 1 * Receiver 1 * Charging Cable 1 * Cable 1 * Manual (English)