Ergonomic Comfort Fit Perfectly fits the curve of inner contour of ear. Keep your earbuds secure stay and much comfortable in your ears. Accurate sound tube angle perfectly fits your ear canal, and seal block out external noise. Provides a pure immersive sound. Imaginative Transparency to Create Crystal Buds Distinctive Transparent Crystal Elements Conceal Internal Components in A Minimalist Style while Sustaining The Semi-transparent Effect, Clear and Bright. Ultra-thin Layer Fully Demonstrates the Perfect Combination of Nature and The Beauty of Curves, Producing Sleek and Lightweight Stylish. IPX8 Waterproof and Sweat Proof Effortlessly Protects the Earbuds from Heavy Rain or Sweat during Intense Workouts and All-weather Conditions Crystal-Clear Call TOZO Crystal Buds are equipped with 4 microphones to reduce ambient noise through Dual-microphone AI algorithm, so you can enjoy High-fidelity audio and Crystal-clear call even in noisy environments.

• Feature 1: Technology & Digital Display: Based on the unique panoramic space capsule design concept of TOZO Industrial Design Lab's, it perfectly demonstrates the contour of internal earphones and charging box.
• Feature 2: High-Fidelity Audio & Crystal-Clear Call: Equipped with 4 microphones to reduce ambient noise through Dual-microphone AI algorithm
• Feature 3: Bluetooth 5.3 & High-quality Sound: Equipped with Bluetooth 5.3 chip and true wireless Bluetooth technology, so the connection between TOZO Crystal Buds and other devices is very stable; Meanwhile, with 6mm diameter loud speaker, the original sound is a perfect recovery.
• Feature 4: IPX8 Waterproof: IPX8 water and sweat resistant waterproof nano coating is adopted to effortlessly protect the earbuds from heavy rain or sweat during intense workouts and all-weather conditions.
• Feature 5: Long Endurance: TOZO Crystal Buds support wireless charging. The earbuds on a full charge can meet 9 hours while listening volume 50%; With large battery charging box, earbuds and charging box can achieve total endurance of more than 40 hours.
• Feature 1: Technology & Digital Display: Based on the unique panoramic space capsule design concept of TOZO Industrial Design Lab's, it perfectly demonstrates the contour of internal earphones and charging box.
• Feature 2: High-Fidelity Audio & Crystal-Clear Call: Equipped with 4 microphones to reduce ambient noise through Dual-microphone AI algorithm
• Feature 3: Bluetooth 5.3 & High-quality Sound: Equipped with Bluetooth 5.3 chip and true wireless Bluetooth technology, so the connection between TOZO Crystal Buds and other devices is very stable; Meanwhile, with 6mm diameter loud speaker, the original sound is a perfect recovery.
• Feature 4: IPX8 Waterproof: IPX8 water and sweat resistant waterproof nano coating is adopted to effortlessly protect the earbuds from heavy rain or sweat during intense workouts and all-weather conditions.
• Feature 5: Long Endurance: TOZO Crystal Buds support wireless charging. The earbuds on a full charge can meet 9 hours while listening volume 50%; With large battery charging box, earbuds and charging box can achieve total endurance of more than 40 hours.