Model: BTS-23. Color: sky-blue. Material: durable hard plastic and soft rubber. Dimension (L*W*T): about 109*74*26mm. Adopting Bluetooth V3.0+EDR technology， the speaker supports to connect your iPhone， iPad， iPod， Samsung， other smartphones， tablet PCs， PC or other Bluetooth-enabled audio devices to let you enjoy wonderful wireless music， wirelessly up to 33 feet (10 meters) away. Easy to switch between calls and music， to let you not miss any incoming calls while listening to music. With a built-in microphone， to let you enjoy hands-free calling. Support FM radio with auto scanning function (frequency range: 87.5 to 108.0MHz)， to let you listen to local broadcasting. - With the included detachable suction cup， the Bluetooth speaker can be stuck to any smooth flat surfaces， such as glass， car windshiled， ceramic tile， window， etc. nbsp; - Come with a durable folding plastic stand holder on the back to help support the speaker on the table. - Main functions: Power ONOFF button， Next songVOL+ button， PREV SongVOL- button， Phone Button， Mode button， PlayPause button. - Powered by built-in rechargeable Li-ion battery for durable to use. - IPx4 waterproof design， compact size and easy to carry， making it ideal for use in bathroom， swimming pool， bedroom， office， and car， and even outdoor activities or traveling. Specifications - Bluetooth version: Bluetooth V3.0+EDR. - Bluetooth profiles: HSP， HFP， A2DP and AVRCP. - Wireless transmission range: up to 10 meters 33 feet. - Frequency range: 2.4-2.48GHz. - Frequency response: 100Hz-20KHz. - FM frequency: 87.5-108MHz. - Speaker output: 3W. - SN ratio: gt;75dB. - Distortion: less than or equal to 1.0%. - Microphone sensitivity: -40dB. - Battery: built-in rechargeable lithium battery. - Input voltage: DC 5V. - Charging time: about 3-4 hours. - Music play time: about 4 hours. - Talk time: about 6 hours. - Waterproof IP grade: IPX4 (Splashproof). Package Including 1 * BTS-23 Portable Waterproof Wireless Bluetooth Hands-free Shower Speaker Music Player with FM Radio Built-in MIC Stand Detachable Suction Cup for iPhone iPad iPod Cellphones PC (Sky-blue) 1 * USB Charging Cable 1 * User Manual