K2 Sports bluetooth sunglasse

Bluetooth VersionV4.0
Frequency2.4Ghz
Bluetooth ProfileHeadset,Hands-fre A2DP
Bluetooth ChipCSR 8635
Work Range10 Meters
play time4-6 hours
calls time4-6 hours
Charging time2-3 hours
RechargingUSB DC5V
Net Weight

40g

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