Περιγραφή
■ Master control chip: Jerry 6955F■ Bluetooth version:5.0+EDR compatible■ Frequency range:2.402GHZ – 2.480GHZ■ Transmission power: +2dBm, Class2 output power■ Effective working range:≥10M■Support Bluetooth protocol:AVRCP 1.0, GAVDP 1.0, AVDTP 1.0, A2DP 1.0■ Frequency response: 20hz-20khz■ S/N ratio:≥60dB■ Speaker Specifications40mm steel magnetic horn 12.5*1.5 four-hole U cup■ Vibrating membrane 19μ■ Microphone size: microphone high frequency omnidirectional microphone -42dB ±3dB ■ Power supply: 3.7VDC (built-in a-class rechargeable 400mAh lithium battery)■ Talk time:8 hours;Power off time:200 days;Charging time:3 – 4 hours■Operating current:≤ 60mA■Off current:< 300 UA
