Bluetooth version: 5.0V

Supported profile: HFP,HSP ,AVRCP and A2DP

Frequency: 2402MHz-2480MHz

Working range:10m

Driver unite: 13mm

Talk time: 3-4hours

Standby time: 40hours

Frequency: 2.4GHz-2.485GHz

Battery: 10-15mA (earbuds) & 80-100mA (charging case)

Color: white, blue