UNVO SY-BT1632 Wireless Headset

"蓝牙支持协议 Support agreement" HFP，A2DP,AVRCP "蓝牙有效传输距离 Distance wireless" about 10-15m "蓝牙工作频率 Frequency Range" 2.402 -2.480GHZ "蓝牙传输功率 Transmitted power" about+7dbm "蓝牙工作电压 Working voltage" 3.7v （3.3V-4.2V）/关机电压3.2V "蓝牙工作电流/工作时间(H) Working current/ time" "待机电流/uA Standby Current" 2UA 20000/H "联接待机电流/mA Connect the standby current" 2mA 200H "50%音量/1KHZ/mA 50%volume/1KHZ/mA" 9mA 44H "100%音量/1KHZ/mA 100%volume/1KHZ/mA" 20mA 20H 50%音量/高质音乐50%volume/music/mA 8mA 50H "100%音量/高质音乐/mA 100%volume/music/mA" 13mA 30H "通话电流//mA Speaking curret" 11mA 36H "蓝牙工作温度 Operation temperature" -20℃至+55℃ "一拖二 One drag two Bluetooth headphones" 支持/Support "激活siri Activation siri" 支持/Support "电量显示 Battery status" 支持/Support "NTC(充电过温保护） NTC(Charging overtemperature protection)" 不支持 "电池规格与容量 Battery specifications and capacity" 602040/400MAH（材料5三元+5锰） "电池类型 Battery Type" "聚合物锂电池 Polymer lithium battery" "电池正常电压 Normal battery voltage" 3.7-4.2V "电池充电电压 Battery Charge voltage" DC4.75-5.25V "电池充电电流 Battery Charge Current" "外置充电4054 IC +OVP OCP 设置200-230mA（电流可设0-500MA） 300-400毫安电池用4.7 K电阻" "电池充电时间 Battery charge time" 1.2 "麦克风规格 Microphone specifications" 4015全指向咪/4015All point to the MIC "麦克风灵敏度 Microphone sensitivity" -42dB±3dB "麦克风工作电压 Microphone operating voltage" DC 2V（Min DC 1.0V-Max 10V) "麦克风负载电阻 Microphone load resistor" 2.2K Ω /f=1KHZ "喇叭单元直径/型号 Speaker unit diameter/model" 40MM D3 "喇叭额定阻抗 Rated impedance of speaker" 32Ω ± 15% "喇叭频率响应 Frequency Range" 20-20kHz "喇叭額定輸入功率 Rated Input Power" 20mW "喇叭最大輸入功率 Maximum output power" 30mW "喇叭灵敏度 Sensitivity" 121± 3dB