TAOZG Stereo Headset Player Wireless Headphone

1) Dual channel 2) Carrier frequency: a) A channel: 2.8MHz for right channel; 2.3MHz for left channel b) B channel: 3.8MHz for right channel; 3.2MHz for left channel 3) Speaker: 40mm mylar 4) Cone impedance: 32Ω±15% 5) Effective range (maximum): about 10 meters 6) Power source: 2 x AAA batteries 7) Battery life: about 48 hours 8) S/N ratio: ≥70dB 9) Channel separation: ≥40dB 10) Frequency response: 30 ~ 20,000Hz 11) Audio model: stereo