2.4g frequency range: 2.4GHz～2.472GHz
Bluetooth: version; 5.4, chip brand model; SMIC AB5602, distance; 10 meters
Features 2.4g, Bluetooth
Audio frequency range: 20~20 kHz
Speaker: 40mm, Impedance: 32Ω±15%, Sensitivity: 103±3 dB
Microphone: 4522 omnidirectional, impedance 2.2K -42dB