high quality bluetooth Earbuds,Car Charger,V4.1 Bluetooth Headphones with USB Car Charger with dual usb port output

·Bluetooth version: CSR Ver.4.1

·Size: Headset: 21*23MM   Car charger: 90x23mm

·Net weight: 32g

·Car charger Input: DC12V~28V

·Car charger USB output 1: DC5V/1A

.Car charger USB output 2: DC5V/2.1A

·Headset Battery capacity: 3.7V; 25mAh

·Headset Standby time: about 60 hours

·Headset Talking time: 1.5 hours

·Headset Charging time: about 1.5 hours

·Headset Profile support: HSP,HFP,A2DP,AVRCP

·Headset Transmission Range(Hz): 2.40GHz~2.48GHz

·Headset Sensitivity: -92dBm

·Car charger Work temperature: -10~50℃

·Headset Transmission Distance: 10M

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