High-quality Wireless Bluetooth External Microphone, A Karaoke and Live Streaming Speaker Microphone with English Voice Prompts

High-concerned chemical : None Built-in Battery : Yes Diaphragm : S-Mall Polar Patterns : Uni-directional Package : Yes Communication : WireLess Set Type : Single Microphone Transducer : Condenser Microphone Use : Karaoke Microphone Style : Handheld Microphone Brand Name : Wsellda Origin : Mainland China Certification : None Bluetooth-compatible : 5.0 Horn power : 4 Ω 3W Horn : 4545 external magnet Signal to noise ratio : ≥ 85dB Frequency response range : 100 ~ 18khz FM radio : 88-108hz Sound source interface : 3.5mm stereo earphone plug Charging time : 2 ~ 3 hours