Features: 1. Wireless Microphone Gives You Freedom Of Movement For Energetic And Positive Performances2. Rechargeable Portable Receiver Only Needs A Long Time Of Charging3. Plug And Play, No Need For Wires, Automatic Frequency Pairing, Handheld Microphone Powered By AA Battery, Receiver Powered By Lithium Rechargeable Battery, Easy To Carry.4. The Microphone Can Be Connected To Multiple Audio Systems, Including Speakers, Amplifiers, And Wireless Microphone Systems.5. Does Not Include AA Batteries And 18650 BatteriesDescription:1. Material: ABS2. SignalToNoise Ratio: Or Equal To 70db3. Frequency Response Range: 100KHZ20KHZ4. Applicable: Universal TypeCOLOR: as shownPackage Contents:2 x Microphone1 x Receiver1 x Data Cable2 x Hexagonal AntiSlip Ring (Random Color Not accepting designation)2 x Microphone Case (Random Color Not accepting designation)Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseOnly 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 and/ 13cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia