2.4G Wireless Headset Microphone (This mic is mono and there is no stereo) Notice: ---Not support Andriod IOS phone,Macbook,Laptop ---Not support Aux or digital audio system ---Do not point the microphone directly at speakers to prevent howling ---Can't listening while recording, you can listning after finished recording Note: Transmission range can be affected by 2.4G Wi-Fi routers, any obstacles, strong magnetic field, sound waves etc. The beige toned color of this wired over ear head set microphone system blends in w/ various skin types and is practically invisible. it's designed for tv presenters, broadcasters, singers, lecturers, musicians, actors, and many more. Detachable headset brace can be freely combined and assembled on the left or right side of the earhook, providing great flexibility and convenience. 2.4G Wireless Headset Microphone (This mic is mono and there is no stereo) Notice: ---Not support Andriod IOS phone,Macbook,Laptop ---Not support Aux or digital audio system ---Do not point the microphone directly at speakers to prevent howling ---Can't listening while recording, you can listning after finished recording Note: Transmission range can be affected by 2.4G Wi-Fi routers, any obstacles, strong magnetic field, sound waves etc. The beige toned color of this wired over ear head set microphone system blends in w/ various skin types and is practically invisible. it's designed for tv presenters, broadcasters, singers, lecturers, musicians, actors, and many more. Detachable headset brace can be freely combined and assembled on the left or right side of the earhook, providing great flexibility and convenience. Attentive Design The ear hooks are wrapped in high elasticity and soft rubber. more comfortable and durable High quality materials Professional Vocal Pickup, Pristine Audio Quality,It also can be adjusted to the desired angle.fantastic flexibility Headset and Handheld 2 In 1 The headset microphone also can be used as handheld mic,it will give you the mobility and freedom of movement when to do energetic and active performances. Back clip design It can be worn on the collar or on the belt. Hidden and easy to carry.not easy to fall off when use. Wide Compatibility 2.4G wireless microphone can be used with voice amplifier/large power speakers/portable pa system/mixer/karaoke microphone speaker system. Packing list 1 x Wireless Headset Microphone 1 x Receiver 1 x 2IN1 Charging Cables 1 x 3.5 to 6.5mm adapter 1 x user Manual Specifications: Transmission Method: 2.4GHZ Pairing Method: Automatcialy Maximum Current: ≤40mA Modulation Method: GFSK Sampling Frequency: 16KS/s Frequency Range: 20-20KHZ RF Transmission Power: 10dBm S/N Ratio:≥65dB Charging Time: <2.5hours Working Time:≥6hours