Specification: Color:Black Frequency: 2.4GHz Input voltage: DC4.8-5.4V Charging port :for Type-C Battery capacity: 80mAh Transmission Distance: 8 m barrier, 20 m barrier free Microphone size: 62*23 * 28mm Microphone weight: 7g Receiver size: 45*27 * 7mm Receiver weight: 4g Package included: 1 x Rechargeable Wireless Microphone 1 x Receiver 1 x English Manual 1 x USB cable Note: Please allow 0-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!