Design and Comfort: The Philips TAA3719 adopts an ergonomic in-ear design. Its lightweight construction, made of high-quality materials, prevents fatigue. The soft material on the earcup reduces irritation. It provides a secure fit for intense physical activity. Sound Quality: It features advanced sound technology, achieving an excellent balance between bass, midrange, and treble. Ambient noise reduction allows you to enjoy music in noisy environments. Functional Features: Equipped with Bluetooth 5.4, it offers fast and stable connections. With a transmission range of 10 meters, you can move freely. The microphone captures voices clearly in noisy environments. It is water resistant (IPX5) and has simple touch controls for music and calls. Parameters Basic Parameters: Model: TAA3719 Location: Earphone Use: Bluetooth Earphone, Sports, Music Wearing Mode: Ergonomic Ear Fit Connection Method: Bluetooth Frequency Range: 2.402 - 2.480GHz Functional Parameters: Noise Reduction: Call and Ambient Water and Dust Resistance: IPX5 Rating Bluetooth Version: 5.4 Audio Coding: AAC and SBC Transmission Range: ≥10 meters Charging and Battery Life: Battery Capacity: 300 mAh Charging Time: 1.5 hours Single Battery Life: 8 hours Battery Life with Charging Case: Up to 32 hours