Product Color: White, Blue, Black Size: 8.8 x 8.8 x 3.5 cm Material: ABS + Plastic Cup Bluetooth Version: 5.0 + EDR Speaker Specifications: 50 mm * 16 Cores Dual Nominal Power: 3W Transmission Range: 10 meters Battery Capacity: 600 mAh Playback Time: 4 hours Package Includes: 1 * Waterproof Bluetooth Speaker + 1 * Charging Cable 1. Premium HD Audio Experience: Advanced digital audio technology with noise and wind noise reduction. Crisp, crystal-clear midtones and balanced bass deliver the perfect portable speaker that fills your room with life. 2. Waterproof and Safe: Thanks to a splash-proof surface, the speaker remains undamaged while you sing along to your favorite songs in the shower or unwind from daily stress in a relaxing bath. The reinforced, detachable cup on the back ensures a secure grip on your shower wall. 3. Universal Compatibility: Advanced wireless Bluetooth technology compatible with all Bluetooth-enabled media players such as smartphones, Mac, MacBook, Android, tablet, laptop, desktop, PC, MP3 player, and more. 4. Easy to Use: Intuitive built-in microphone for hands-free calls and control buttons on top for up to 6 hours of wireless playback time/call.