If you ask for my advice, I will recommend you this RZF BTS-06 Waterproof Bluetooth Speaker with Suction Cup for its convenience and practicability. The most attractive feature of this speaker is its suction cup design which will make this speaker be stuck on the smooth surface, such as back of cell phone, glass, etc. Meticulous craftsmanship makes this speaker excellent in sound quality, thus you can get the most satisfactory clear sound and perfect bass from this high quality speaker. What’s more, this speaker supports Bluetooth audio output which will bring you much convenient and wonderful experience. Compact size and light weight, this speaker is convenient to carry. It can be connected to DVD, computer, cell phone, and other equipments.                                    Features            Bright color and exquisite designThis speaker is a best gift for your friendsYou can share the beautiful sounds with your friends or family togetherSmall and lightweight, you can take this portable speaker in your pocketThis compact speaker could provide you ultra-portable mini stereo systemEnjoy your music without headsets or large wires external speakersShare music with friends anywhere and anytime with this speakerSuitable for DVD, computer, cell phone, and other equipmentsSupports Bluetooth audio output                                                             Specifications            Specifiactions        <br>
Dimension    8 x 5.5 cm / 3.15 x 2.17 " (Dia x H)    <br>
Weight    187 g / 6.6 oz    <br>
Material    Silicone Plastic    <br>
Bluethooth Support    3.0 + EDR    <br>
Range    10 meters    <br>
Frequency    2.4G Hz    <br>
Power Supply    DC 5V / 100-120mA    <br>
Battery    3.7V 400mAh Lithium    <br>
Chargering Time    3 Hours    <br>
Operating Time    6 Hours    <br>
IP Grade    IPx4    <br>
Color    Green    <br>
                                                            Package Includes            1 x USB Cable1 x Manual1 x Bluetooth Shower Speaker