The Best Rechargeable Wireless Microphone System that is available on the market at this price - UHF Dual Rechargeable Wireless Microphone With Bluetooth Receiver System. Perfect for Karaoke, Speech, Meeting, Party, Church, Wedding, DJ, Performance, Indoor or Outdoor. No need to set! Just plug and use! A Great Gift for family or friends! | Wireless Range max up to 200ft, enough for normal usage; Receiver Box with Mic-A & Mic-B Independent Volume Control; Adjustable ECHO Effect; Bluetooth Function for Background Music Playing(Turn on Bluetooth and search "X168" to connect, BT Range about 32 Feet); Design for Karaoke Speaker, PA System, Outdoor Speaker, Sound Bar, Bookshelf Speaker, Home Theater, etc(NOTICE: THIS SYSTEM CANNOT BE USED FOR BLUETOOTH SPEAKERS, BECAUSE BLUETOOTH SPEAKERS DO NOT HAVE MICROPHONE JACK) | Two ways for Input: Wired Input(1/8"(3.5mm) Jack Input) or Bluetooth Connect Input(Turn on Bluetooth and search "X168" to connect); Two ways for Output: 1/4"(6.35mm) or 1/8"(3.5mm) Jack Output | Cool Design LED Light Ring; Microphone with Built-in Lithium Battery - No need to buy batteries(DC 5V Charging; Charging Time about 3-4 Hours; Working Time about 6 Hours); 50 UHF Work channels(CH01-CH50) for Simultaneously Using(Each Set Using In Different Channel) | What’s in the package? 1 x Receiver Box; 2 x Rechargeable Wireless Microphone; 2 x Antenna; 1 x Power Adapter; 1 x 6.35mm to 6.35mm Cable; 1 x 3.5mm to 3.5mm Cable; 2 x Microphone Windscreen; 1 x USB Charging Cable; 2 x Antiskid Ring; 1 x Audio Cable; 1 x User Manual. We offer 100% customer satisfaction, if you have any question, please click Sold by "Kithouse Direct", then leave a message to us. Your problems and suggestions is the key for us to improve.Thank you for choosing Kithouse products!