PANTONE Bluetooth TWS Earbuds Features Color Variety: Fun and trendy color options. Small and Lightweight: Easy to carry and comfortable wear. Great Sound Quality: Clear audio with good bass. Wireless Connectivity: Easy Bluetooth pairing with devices. Long Battery Life: Extended use with a portable charging case. Touch Controls: Simple controls for music and calls. Water and Sweat Resistant: Good for workouts and outdoor use. Specifications: Bluetooth version: V5.4 Frequency range: 2402-2480MHz Wireless connection range: 10 meters Earbud built-in rechargeable lithium battery: (30mAh/3.7V) * 2 Charging case built-in rechargeable lithium battery: 30mAh/3.7V Charging output specification: DC 5.0V 1A, Type C connector Charging time: approximately 1.5hour Music time: About4 hour(80% volume), Talk time: About 3 hours(80% volume)