SUPERIOR SOUND QUALITY: Audiophile-grade audio with passive radiator delivers rich bass and crisp mids/highs, ideal for outdoors or indoor spaces like bedrooms and restaurants. IPX6 SPLASHPROOF DESIGN: Resistant to water jets and light splashes; can briefly withstand accidental submersion-great for showers, poolside, and rainy conditions. LONG BATTERY LIFE + INDICATORS: Up to 47 hours of playback at 25% volume with fast 3-hour recharge and 3 LED lights to show remaining battery life. TRUE WIRELESS STEREO LINKING - Pair two units for left and right channel separation, creating a full stereo setup in any space. ADVANCED CONNECTIVITY: Bluetooth 4.2 with Actions chip and DSP tuning, TF card playback (MP3/WMA/APE/FLAC/WAV), aux input, TWS stereo linking, and built-in mic for hands-free calling.