Product Description Rechareable cooler with 400mAh battery capacity. Rapid heat dissipation, double windshield, silent operation Buckle design, super stable Hand-avoiding design, small and quiet 25dB low-noise operation, no interference with voice Frequency conversion DC motor, the wind power is stable without shaking, and the fan rotates at high speed while running with low noise Power supply mode: Micro USB interface Applicable models: universal for 4-6.7 inch mobile phones Size: 100x60x40mm Weight: 60g
