OSCAL Hibuds 6 Wireless Earbuds, Bluetooth 5.4, Noise-Cancelling In-Ear Headphones with Built-in Mic, 40H Playtime, IP7 Waterproof Sports Earbuds for Android & iOS

Weight: 4.15g (per earbud), 35.5g (charging case)Driver Unit: 13mm Dynamic DriverFrequency Response Range: 20Hz~20KHzBT Version: 5.4Audio Codec: SBC, AACBattery Capacity: 40mAh (earbud),400mAh (charging case)Charging Time: 1.6hrs (earbud), 2.2hrs (charging