Bob, The flexible Wireless Bluetooth SpeakerUnique flexible suction cup design, suitable for any environmentProduct Features: - Unique flexible suction cup design, suitable for any environment - High fidelity speaker,noise interference cancellation - Bluetooth 3.0 smart connection, simple and smart to useGerman Red dot design award winner Nontoxic green elastic silicone, oil resistant, washable - Suitable for the office, in-car and outdoor environmentDimensions: 62x59mm Weight: 90g Output Power: 3W Impedance: 4Ω Bluetooth 3.0 Port: micro USB Battery Capacity: 300 mAh Standby time: 6-7 hours Charging standard: DC 5V, 500ma Charging time: 1.5 - 2 hours