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美国Brodcom BCM20771蓝牙3.0立体声模组 + NFC 方案 System Features 1.Fully support Bluetooth 3.0 and 2.1+EDR 2.ARM Cortex-M3 processor 3.RF Perf: Tx: +8dBm, Rx: -91dBm(毫瓦分贝) 接收灵敏度 Audio 1.A2DP 1.2 using SBC decoder for streaming audio 2.AVRCP(音频/视频遥控配置文件) 1.4 for remote control functionality 3.Seven-band speaker HW equalization and microphone 4.Support voice command recognition支持语言命令识别 5.Multilanguage voice prompt多语言语音提醒 6.High quality 96 dB SNR DACs with 44.1 and 48kHz sample rates 7.Support side tone and MEMS digital microphones 8.Integrated SmartAudio speech enhancement algorithms which include 9.Differential and single-ended modes 电源管理 1.自动省电模式 2.内置低电量震动提醒,支持深度睡眠模式 3.支持快速充电 4.低功率,100mAh电量支持超过10小时播放 5.Handles standard charge batteries from 30mAh to 200mAh 6.内置 ADC 监控电量, 温度, 和充电电压 7.兼容日本PSE Profiles 1.Support SPP profile 2.Hands-free profile features 产品应用 Applications include: —Stereo Headphones —Wireless stereo speakers —Soundbars —Mono Headsets —Handsets —and more…