Enjoy up to 20 hours of playtime on a single charge, with the ability to continue listening while charging for uninterrupted entertainment. Rich 360 HD Surround Sound. Output Power: 30W. Take control with the built-in mic. Comes in Gray Color. Enjoy up to 20 hours of playtime on a single charge, with the ability to continue listening while charging for uninterrupted entertainment. Use TWS mode to wirelessly pair with another HD77 speaker, doubling the sound output and creating a surround sound effect. With an IPX7 waterproof rating, the HD77GR is designed to withstand water exposure, making it perfect for outdoor adventures and poolside parties. The built-in RGB light mode creates an ambient lighting experience that syncs with your music, setting the perfect atmosphere for any event. The built-in microphone allows for hands-free calling, giving you control over your music and phone calls without reaching for your device. Pair with Android, iOS, laptop, tablet, smart TV, and more; Bluetooth 5.0 speaker with microphone for easy call handling; Rechargeable wireless speaker for home or office. Weight: 637g / 1.41lb. Dimensions: 7.36 x 2.99 x 2.99 in. Package includes: Speaker, 3.5mm AUX cable, Carrying strap and carabiner, USB/Type-C Charging cable, User Manual, Quick Start Guide. Playtime: Up to 20 hours. Charging time: 2 hours. Speakers: 48mm drivers. Unique Features: RGB light, Phone Calls: Built-in Mic. Provide rich, vibrant sounds to any setting with outdoor Bluetooth speakers crafted with unrivaled durability and sound quality. TREBLAB’s premium speaker is built around a streamlined and impact-resistant rubber frame that is IPX7 waterproof, shockproof, and dustproof. The robust framework hides a 30W stereo system that can be paired with other bluetooth speakers with subwoofer through a TWS mode. Designed as an all-around device for use outdoors, indoors, and by the pool, the HD77GR is capable of up to 20 h..