Each Headphone: 3.8 ± 0.2 g Charging Case: 33 ± 1 g * The strict manufacturer’s model may not be on the product until it reaches the end. Dimensions Ear: 33.66 mm x 17.83 mm x 18.13 mm (H x W x D) Charging Case: 50.40 mm x 50.31 mm x 23.40 mm (H x W x D) * Large quantities of the product ordered and the product arrived quickly on time. Technology Call noise cancellation/multiple equalizer Sensor Light/impact sensor Driver Dynamic driver: 10.0mm dynamic driver unit Disease External charging status indicator: Four-color indicator × 1 Material Earbuds: Polycarbonate Charging case: Polycarbonate Connectivity Bluetooth: Bluetooth 5.3 Popular pairing window: Supported *These versions require Huawei running EMUI10 or later. Battery Battery status Battery type: Lithium-ion polymer battery Earbud: 41mAh (light limit value of each earbud) Charging case: 510mAh (light limit value)