31.8mm Bike Stem 3-in-1 USB Rechargeable Bicycle Handlebar Stem with LED Headlight and Electronic black
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Features: 3-in-1 design with bike stem, LED headlight and electronic horn. LED light increases visibility and safety when riding at night. Electronic horn helps warn pedestrians, vehicles, and cyclists. Built-in battery is rechargeable from laptop, computer, power bank, plug or any device with a USB port. Low battery indicator reminds you to recharge in time. Made of high-strength aluminum alloy and ABS material, very durable to use. Easy to install on bicycle handlebars with 31.8mm diameter. Specifications: Material: Aluminum alloy + ABS Illumination Power: 1.5W Dimension: 145 * 50 * 68mm / 5.7 * 2 * 27in Weight: 348g / 12.3oz Package List: 1 * Bike Stem 1 * User Manual
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rear light: 400 lm, modes 6, batt. 1300 mAh, up to 70 hours of work, charging via USB port, mount: flexible, quick release, body: plastic
front light: 400 lm, modes 8, batt. 650 mAh, up to 5 hours of work, rear light: modes 3, batt. 210 mAh, up to 15 hours of work, charging via USB port, mount: flexible, quick release, body: impact resistant, aluminium
front light: modes 2, up to 30 hours of work, mount: flexible, quick release, body: plastic
front light: 1200 lm, modes 7, batt. 3800 mAh, up to 20 hours of work, charging via USB port, mount: flexible, quick release, body: impact resistant, aluminium
rear light: modes 2, batt. 220 mAh, up to 40 hours of work, charging via USB port, mount: flexible, quick release, body: plastic
rear light: 200 lm, modes 6, batt. 650 mAh, up to 35 hours of work, charging via USB port, mount: flexible, quick release, body: plastic
front light: 15 lm, modes 5, up to 6 hours of work, charging via USB port, mount: flexible, quick release, body: plastic
rear light: 300 lm, modes 4, up to 45 hours of work, charging via USB port, mount: flexible, quick release, body: plastic
front light: 50 lm, modes 6, batt. 210 mAh, up to 6 hours of work, rear light: 15 lm, modes 6, batt. 210 mAh, up to 13 hours of work, charging via USB port, mount: flexible, quick release, body: impact resistant, aluminium
front light: 200 lm, modes 2, charging via USB port, mount: flexible, quick release, body: plastic
rear light: modes 6, up to 30 hours of work, charging via USB port, mount: rigid, helmet, quick release, body: plastic