Xvive XV-U3C Microphone Wireless System for condenser microphones Audio Digital. Included Components USB Cable. Audio Sensitivity 110 dB. Dimensions (L x W x H) 16.5 x 12 x 6.5 cm. Power Source Battery powered. Number of Batteries 1 lithium-ion battery (included). Number of channels 6. Frequency range 20 hz – 20 khz. Frequency bandwidth used: 2.4GHz ISM worldwide Latency. Number of simultaneously usable channels: 6; Frequency response: 20 Hz to 20 kHz. Maximum transmission distance: Approx. 27 m Actual transmission distance varies depending on the environment due to radio wave reflection, interference, absorption, etc. 3 to 7 hours (Varies depending on the power consumption of the condenser microphone when fully charged). Can only be used with condenser microphones Never use dynamic microphones or unbalanced drive devices. Phantom power may cause damage to the equipment used. Estimate Time of Arrival? International Buyers – Please Note. We do not mark merchandise values below value or mark items as “gift” – US and international government regulations prohibit such behavior. Thank you for your understanding.