1.89 x 1.22 x 1.77 inches

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【2021 Upgraded Wireless Sports Headphones】Compared with traditional sport Earbuds, Vislla S7 working out headphones is completely free of wire. With zero wires to hassle around your neck, you’ll always have your music to motivate yourself. Born for sports, running, hiking, jogging & other outside activity etc.
【Smart Battery Display & 8 hours of Use】The smart LED percentage power display let you know the remaining battery of the base clearly and the charging status of the earphones. Inside 110mAh capacity battery on each bud that will last up to 8 hours per fully charge, and 1000mAh charging case holds 4-5 times recharges to give additional 48 hours of listening time in total. Keep your music going all the day even when go out.