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• We help drop shipping! Rolton K400 Specification: Suitable for: teaching, excursion guides, promotions, meetings Support USB disk and TF card to play track Audio power: >5W Battery capacity: 1200mAh Charging: use standard USB 5V (can use cellphone charger) Rolton K400 Mini size: H 8 * W 85cm * D three H 3* W 3* D 1 Detachable 18650 battery: The battery capacity is 1200mAh It can be used for eight hours Play track for approximately 4-8 hours (volume 50%-80%) Charging utilizing a typical USB cable: Can be charged utilizing a variety of regular USB chargers 1) It is recommended to percentage the cellphone charger for charging 2) Charger current is bigger than 500mA Knob quantity control: The knob controls the volume, which is awfully handy for many customers RoltonK400 Packing list: 1 * K400 loudspeaker 1 * 1200mAh battery 1 * Professional Wired headset Microphone 1 * Instruction manual 1 * USB charging cable (data cable) 1 * Waistband Belt

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