FMJ F8 TWS Stereo bluetooth 5.0 Earphone HiFi Music Binaural Call In-ear Earbuds Sports Headphone With 2200mAh Charging

Features Portable compact and lightweight Intelligent noise cancelling technology ensures HD clear calls Premium large 6mm dynamic speaker unit delivers deep bass and HiFi sound quality Ungraded bluetooth 5 0 chip ensures fast and stable wireless transmission Come with 2200mAh large capacity charging case easy to recharge the earbuds Indicator light keeps you aware of the charging status Specification Headphone basic parameter size single head length 27 23 23mm Weight single head 5 5 g Headphone charging current 50mAHeadphone full time about 2 5 hoursCharging warehouse full time about 5 hoursWorking voltage 3 3V 4 2VHeadphone standby time about 130 hoursMusic time 10 12 hoursTalk time 10 12 hoursCharging warehouse capacity 2200amhHeadphone capacity 85amhChip Loda AB1532Dbluetooth Version 5 0Support Tensilica HiFi EP Hardware FFT SRC Filter MCSyncTWS RF transmit power class3Transmission range Hz 2 40GHz 2 48GHzCommunication distance 10mAudio sampling accuracy 16bitsAudio sampling rate Up to 96 kHzAudio encoding format CVSD mSBC SBC AACSignal to noise ratio 95dBWorking temperature 15c 60 ℃Operating humidity 10 85 non freezing state Basic parameters of headphone speakersSpeaker specifications 6mmImpedance 16 typFrequency Hz 20Hz 20KHzSensitivity 933dBInput power conventional 2mW maximum 5mWBasic parameters of headset microphoneM1C Type Silicon MicrophoneM1C sensitivity 423dBSPL 130dB