COMPATIBLE DEVICES AND MODELS – The Wireless Bluetooth earphone is specially designed for you to listen to music and answer calls while doing sports or driving, which features advanced True Wireless (TWS) BT Technology, built-in high-grade microphone and speaker, hands-free function and lightweight design. A great companion for your daily life, for office time, driving or travel and exercise. Ergonomic design ensures comfort wearing without hurting your ears no matter how long you wear it at home, in gym or at work. Universal Bluetooth Headset pair-able with all enabled devices. Enjoy an untangled music experience. Perfect partner for sports enthusiasts especially.   HANDS-FREE AND ADVANCE BLUETOOTH TECHNOLOGY- True wireless (TWS) Bluetooth technology ensures transmitting strong signal in high quality & high speed and offering high-fidelity stereo music. With Bluetooth v5.0 wireless technology the earphone set is quickly paired with any smart phone offering stable connection, low energy consumption and hands-free calling.   ENHANCED LISTENING EXPERIENCE - High-sensitivity microphone reduces ambient noises and grasps the detail of voice, ideal for in-car calling or working use. Noise Cancelling Technology makes sound crystal clear.   LIGHTWEIGHT ERGONOMIC DESIGN – The ergonomically designed earphones securely fit in the ears with absolute comfort. This super lightweight earphone set is sleek and designed to be comfortable for ears. Ergonomic design provides long time comfortable wearing.   CHARGEABLE CASE BATTERY – The charging box can charge for the earphones and can be used as a perfect storage case for them, protecting them from damages. It takes only 1 hour to charge the battery to its fullest capacity with a USB charge cable.1 hour charging time gives you 4 hours continuous working time and 120 hours standby time.   Jam out to your favorite music hassle free with the Big Tex Wireless Bluetooth Earphone. Designed to give you hours of playing time, these...