SEE ME HERE BV210 Waterproof Wireless Mini Bluetooth Speakers Outdoor Small Audio Portable Subwoofer Red Type: Bluetooth Portable Speaker Music Time: Up to 5 hour(s) Charge Time: 2 Hours Operating Range: 32.8 Feet Bluetooth Version: V3.0+EDR Bluetooth Profile: A2DP Battery: Polymer lithium battery 3.7V 800mAh Specifications: Frequency: 200Hz - 20KHZ