This new waterproof indoor/outdoor wireless stereo Bluetooth 3.0 Hands-free Speaker supports almost all Bluetooth-enabled mobile phones (such as, iPhone, Nokia, Samsung, HTC and so on), PDA, tablet PC, iPad, Mac Air, MP3 players, PCs, laptops and any other electronic devices with Bluetooth function. An auxiliary input and USB port allow wired connectivity. This item is attached with a great suction cup and a 5W speaker, and can offer you convenience to enjoy high-quality stereo audio. Features: 1. Built-in suction cup 2. Made with a durable waterproof rubber exterior 3. Onboard controls allow you to skip tracks, receive calls and turn off/on 4. Takes up to 3 hours to fully charge and provides up to 6 hours of playback on a full battery 5. Aluminum alloy metal hook, you can hang on the mountaineering bag or a bicycle, it's very convenient 6. Waterproof, Shockproof, dustproof , protective leave up to IP66 7. The silicone cases and interface design ensure good sealing, effectively prevent the rain and dust, can be used under harsh environment Specification: Input voltage: DC-5V/1A Output power: 5W THD+N=10%(1KHz/0dB) Battery specifications: 3.7V/2200mAh Speaker unit: 1*45mm 4O/5W Weight: 200g Frequency Range: 120Hz-20KHz SNR(Signal to Noise Ratio): =90dB Speaker size: 101*105*66MM Working time: 6-8 hours Stand by time: 2weeks Package Including: 1* Bluetooth Speaker 1* Charging Cable 1* Stereo AUX Line 1* Clip 1* English Users Manual