Earbuds HD Stereo Bass Led Power Display Charger Case

 Model: D019
Bluetooth version: v5.0
Charging time: approx. No more 2hr
Range of operation: 10 m
Standby time: approx. 120hrs
Talk time: approx. 4hr Bluetooth
Profiles: HFP / A2DP / HSP / AVRCP
Battery capacity (earphones): 3.7V 40mAh
Battery capacity (charging case): 3.7 V 500 mAH
Input parameter: 5V 500mA
Battery type: li-ion (all technical data will be subject to practical performance)
Function: hands-free play music / auto break 3D pair stereo sound LED power display