Category: Cassette Players & Recorders 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 dual Nominal power: 3W Transmission distance: 10 meters Battery capacity: 600 Ma Charging time: 3 Playback time: 4-5 Package contents: 1 * waterproof bluetooth speaker 1. Premium HD sound experience: With advanced digital sound technology as well as noise and wind noise reduction. Crisp, crystal clear mids and balanced bass make it the ideal portable speaker that fills the entire room with life. 2. Waterproof and safe: Thanks to a splash-proof surface, the speaker will not be damaged while you sing to your favorite songs in the shower or forget the stress of everyday life in a relaxing bath. The reinforced, removable suction cup on the back of the loudspeaker ensures easy operation and a secure hold on your shower wall. 3. Universal compatibility: Advanced Bluetooth wireless technology, compatible with all Bluetooth-enabled media players such as smartphones, Mac, Macbook, Android, tablet, laptop, desktop, PC, MP3 player and many more. 4. Ease of use: Intuitive, built-in microphone for hands-free calls and control buttons on top of the speaker for up to 6 hours of wireless playtime / calls.