Product Description Color: white, blue, black Size: 8.8 x 8.8 x 3.5 cm Material: ABS + plastic suction cup Bluetooth version: 5.0 + EDR Speaker specification 50mm * 16-core double Rated power: 3W Transmission distance: 10 meters Battery capacity: 600 Ma Charging time: 3 hours, Playtime: 4-5 hours Package contents: 1 * waterproof bluetooth speaker + 1 * charging cable 1. 【Premium HD Sound Experience】: Featuring advanced digital audio processing and noise and wind reduction. Crisp, crystal-clear mids and balanced bass make it the perfect portable speaker to fill any room with vibrant sound. 2. 【Waterproof and Safe】: Thanks to its splash-proof surface, this speaker won't be damaged while you sing along to your favorite tunes in the shower or unwind in a relaxing bath. The reinforced, detachable suction cup on the back of the speaker ensures easy use and a secure grip on your shower wall. 3. 【Universal Compatibility】: Advanced wireless Bluetooth technology, compatible with all Bluetooth-enabled media players such as smartphones, Macs, Macbooks, Android devices, tablets, laptops, desktops, PCs, MP3 players, and many more. 4. 【User-Friendly】: Intuitive, built-in microphone for hands-free calls and control buttons on top of the speaker for up to 6 hours of wireless playtime/talk time.