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LPT03 Headset Wireless Infrared Dual/Single Channel Earphone (Black)
LPT03 Headset Wireless Infrared Dual/Single Channel Earphone (Black)
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2. Car wireless earbuds can be connected to car DVD ceiling DVD headrest DVD
3. Specifications of technical parameters 1) Dual channel 2) Transmission frequency A channel) Right channel: 2.8MIHZ) Left channel: 2.3MHIz B channel) Right channel: 3.2MHZ) Left channel: 3.8MHz3)
4. Speaker impedance: 32ohm4 Effective distance: about 10 meters5
5. Sound Mode: Stereo
6. Signal to noise ratio: anp: ge6dB
7. Channel spacing: 40dB
8. Power supply: 2 AA batteries
9. Working voltage: 1.8-3V
10. Working current: about 20MA
11. Channel separation: greater than 40dB, signal-to-noise ratio: greater than 70dB
12. Frequency response: 20-20KHZ
13. Listening distance in open space: more than 8 meters
14. Automatic shutdown time when there is no signal: 2-4 minutes
15. Battery normal working time: more than 30h (using 6mAH standard alkaline battery)
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