2.4G Wireless Connectivity:Employs 2.4G wireless tech for stable connections and lower power consumption, ensuring a hassle-free experience.Long-lasting Battery Life:Enjoy 28 hours of continuous use on a single charge, thanks to the -grade lithium battery's efficient power management.High-Fidelity Sound Quality:Equipped with 77mm high-sensitivity speakers, the microphone faithfully restores audio details for a louder, clearer sound.Extended Wireless Range:With a 20W power output, the M10 offers a 30-meter wireless range, ideal for classroom teaching.Microphone Dual Noise Reduction Technology:Features +ANC dual noise reduction chips for crystal-clear audio, ensuring no whistling during use.Hign-concerned Chemical:NoneDiaphragm:S-MallCommunication:WireLessSet Type:Single MicrophoneTransducer:Condenser MicrophoneUse:TeachingStyle:Lavalier Microphone:Color: BlackMaterial: PCPackage Contents:1*Amplifier1*Wireless Lavalier Microphone1*Headset Microphone1*Hand Strap1*Charging CableOnly 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 +/- 1-3cm.