SODAPOP Portable Bluetooth Speaker - Portable Wireless Speaker Loud Dual Stereo Sound Rich Bass 30 Hour Playtime Built-in Mic Splash Resistant Superior Sound for Party Travel Beach - Green

The SODAPOP Portable Bluetooth Speaker - An incredible smart invention to bring more bass and better sound to small portable speakers! Features: Double the bass by connecting a regular soda bottle! Up to 30 hours of playtime Full-range 2x4Watt stereo speakers High-quality Bluetooth chip IPX5 splash resistant test Travel friendly compact size True 360°Surround Deep Bass By utilizing the characteristics of the bottle material and the air inside the bottle, the SODAPOP speaker can increase the sound volume in the bass range by as much as 10dB. To the human ear a 10dB increase will sound approximately twice as loud, so in other words the SODAPOP speaker can generate twice as much bass, just by connecting an ordinary soda bottle. The effect is striking once the bottle is attached. Long Lasting Battery Life Bigger rechargeable lithium-Ion battery for enjoy up to 30 hours nonstop music with awesome deep sound! Splash Resistant IPX5-level waterproof performance allows you to enjoy your favorite music even in the rainy days, swimming pool or beach.  Kindly Note: 1. IPX5 waterproof performance can resist splash water, but cannot be partially or fully submerged.  2. Carrying bottles are not water bottles, they cannot be used to hold water. Unique Design Come with an enhanced PVC carrying case to protect against accidental drops and collisions. its compact and ultra-light easy to put in a bag or backpack and fits the bottle cage on the bike, perfect for riding and hiking.