The true wireless bluetooth earbuds are easy to connect and easy to enjoy. Bluetooth 5.0 technology gives great clarity in sound tuning for increased bass response. Only 75g total, easy to carry and store. IPX4 waterproof can easily resist sweat, which is very suitable for running, fitness, hiking, driving or other outdoor activities. Features: Transmission distance:10-12m Single Battery Life: About 2.5 hours Charging Time: 1.5 hours Battery Capacity: 300mAh Type of Battery: LITHIUM Waterproof Level: IPX4 Price Includes: Free setup Free 1c1p silkscreen imprint Free virtual proof Free logo PMS matching Free standard shipping to 1 continental US commercial location