Inhouse product
■ 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 Specifications 40mm 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 Translated with www.DeepL.com/Translator (free version) |