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.30 meters long distance effective transmission distance.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.The transmitter acts as a collar-clip wireless microphone and can be used as a pocket-strapped transmitter.Specifications:Model: SWS10 / WP-10 (Optional)SWS10: Receiver without Volume control buttonWP-10: Receiver has Volume control buttonsMaterial: ABSSample rate : 24bit / 48KHz lossless digital transmission sound qualityWireless Band: 2.4GHzDelay: < 12msRange: 30 meters outdoor or 15 meters wall distanceLithium Battery Capacity: transmitter 780mAh , receiver 550mAhCharging Device: USB charging cableSignal-to-noise Ratio: -98dBDynamic Range: >105dBFrequency Response: 20 to 20KHz, +1dB / -3dBItem Size: 60 * 45 * 20mm / 2.36 * 1.77 * 0.79inItem Weight: 100g / 3.53ozPackage Weight: 220g / 7.76ozPackage Size: 13.2 * 10.8 * 6.5cm / 5.20 * 4.25 * 2.56inPacking List:1 * Transmitter1 * Receiver1 * Charging Cable 2 * Audio Cable1 * Manual (English)