JEDX-ER9 2-in-1 Car Bluetooth Headset Car MP3 Player FM Transmitter •This is a multi-functional business Bluetooth headset,which can be used as a Bluetooth headset or as a car Bluetooth MP3. It uses a high-performance professional-grade Bluetooth module and audio decoding chip,can also play music files in a U disk/TF card,and transmit it to the car stereo via FM wirelessly. •Battery voltage detection function •Support Bluetooth headset to answer,high-definition call •Support Bluetooth hands-free call,built-in microphone,safe answering calls •Support mobile phone A2DP function,play high-quality mobile music directly after connecting to Bluetooth •Automatically connect back after power on and automatically enter the pairing state •Support U disk to play MP3/WMA format music •Comes with car charger,output 5V/3.1A,can charge handheld devices •Power supply from cigarette holder base,put headset back and charge •Independent switch,switch on/off power at any time,without any loss of car battery power •Ergonomic design,comfortable to wear long time •Specifications: •Model: JEDX-ER9 •Bluetooth version: V5.0 •Bluetooth effective distance: 10 meters •Limit voltage: 9-26V •Working voltage: 12-24V •Battery capacity: 100mAh •Sensitivity: -42dB+/3dB 360 •Working current: 45mA (Max) •Standby current: 25mA (Max) •Frequency: 2.402-2.480GHz •Sensitivity: -92dBm •Microphone effective distance: 2 meters •RF output: 4dBm •FM frequency: 87.5MHz-108.0MHz •Transmit power: 87dBuv/107dBuv •Compatible with: •Apple/Xiaomi/Huawei etc. and other smart devices which support Bluetooth 5.0 version Package included: •1 x Bluetooth Headset •1 x English and Chinese User Manual