16-bit charging box (optional)
Technical Parameters: ●Power supply: 110V-240V~50Hz/60Hz ●Charging digits: 16 Microphone unit lithium battery (optional) TD6800B ●Battery capacity: 2100mA ●Rated voltage: DC3.7V ●Discharge current:＜500mA ●Charging current:＜700mA ●Speech working time: >8 hours ●Standby working time: >24 hours ●Charging voltage: DC5V ●Dimensions: 47mm×40mm×12mm ●Weight: 54g
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