CP0336L Features Superb bass stereo sound effect Supports hands-free calling through Bluetooth connection Waterproof design allows you to listen music or making calls in the shower Compact size for ease of carrying Equipped with a suction cup for easy installation on any smooth surface General Specs Brand & Model Q2 Color Blue Operating Range 10 meters Bluetooth Version V2.1 + EDR S/N Ratio > 70 dB Line Input 3.5 mm audio jack Battery Type 3.7V battery Charging Time 2-3 hours Charging Voltage 5V Waterproof Rating  Level 5