D6803 ● Adopt a new digital control design. ● Cardioid directional condenser pickup microphone, with first-class intelligibility and directivity. ● There are three lengths of wireless conference room sound system microphone rods: 400MM, 270MM and 136MM. ● The LCD display shows the working mode, unit ID, battery power, speaking status, and speaking time. ● D6803 uses 1.5VAA battery, easy to replace the battery; D6803L uses a built-in 3.7V lithium battery, with universal USB charging interface design for convenient and fast charging, and strong versatility. ● The number of speakers at the same time is 1-4. ● With a standby function, you can turn on the standby button to enter the standby state when no speaking. Guangzhou DSPPA Audio Co., Ltd. is a professional conference system supplier since1988. we provide mic delegate , delegate mic system , delegate mics , audio conferencing solutions and etc. For more information, ...