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391119-50mah 3.7V Bluetooth headset Bluetooth charging case lithium

391119-50mah 3.7V Bluetooth headset Bluetooth charging case lithium

391119-50mah 3.7V Bluetooth headset Bluetooth charging case lithium

391119-50mah 3.7V Bluetooth headset Bluetooth charging case lithium

391119-50mah 3.7V Bluetooth headset Bluetooth charging case lithium

391119-50mah 3.7V Bluetooth headset Bluetooth charging case lithium

High energy density lithium cobalt acid material, long cycle life, low internal resistance, large current, small volume, large energy. Environmental protection, does not contain mercury, chromium, lead and other substances, through testing certification, with CE, CD, UN38.3, KC certification and other qualifications
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Polymer battery, high energy density lithium cobalt acid material, long cycle life, low internal resistance, large current, small size, large energy. Green environmental protection, does not contain mercury, chromium, lead and other substances, through the detection certification, with CE, CD, UN38.3, KC certification and other qualifications, high safety performance, built-in protection plate, over charge over release protection, use at ease, customers at ease.

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