CLEVER OUTLOOK，CONTROL SYSTEM WITH TWO BUTTON OF VOICE. H500 SUPPORT BLUETOOTH EDITION 1.2，CAN PROVICE YOUR HIGH QUALITY COMMUNICATION.
FUNCTION：
1、DIMENSION：58x27x22 mm；
2、NET WEITHT：17G；
3、TIME OF USING FOR 200 HOURS, TIME OF TALKING FOR 8 HOURS.
4、OUTSIDE 10 METERS,INSIDE 5 METERS WITHOUT BARRIER |
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