Bluetooth compliance:Bluetooth V 1.2 . 2.Frequency bond:2.45 GHZ ISM band 3.channels:79channels frequency hopping 4. TX output power:class 2(0dbm) 5.less than 83 dbm typical 6.receiver sensitivity:operating . 7.operating range:up to 10 meters(33 feet). 8 typical talk time:up to 6 hours 9 typical charging time:approximately 2 hours. 10 typical standby time:up to 150 hours. 11 charging interface 6 v DC adaptor. 12. weight :16g 13.Li_battery:150m A.3.7V 14.chipset:TERAX
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