Dudao U20 TWS Bluetooth Wireless Headphones - Black The Dudao U20 TWS is a lightweight and comfortable wireless headphone that provides a stable Bluetooth 5.4 connection and high-quality sound. With an ultra-light design weighing just 4.9g, each earbud offers comfort even when worn for hours. The flexible titanium memory alloy wire guarantees a secure fit without the risk of deformation. The case's long-lasting 400mAh battery provides up to 30 hours of battery life. It's the perfect choice for those who value comfort, powerful sound, and reliability on a daily basis. ~ Specification: Brand: Dudao Model: Dudao U20 Bluetooth Version: V5.4 Bluetooth Range: ≥10m Bluetooth Chip: Jieli 6973D4 Frequency Response: 50Hz - 10KHz Driver: Ø12mm, 32 Ω Headphone Battery Capacity: 35mAh Case Battery Capacity: 400mAh Standby Time: Up to 4 Months (When Fully Charged) Music Playback Time: Approx. 6-7h (At 80% Volume) Talk Time: up to 5 h (at 80% volume) Input: USB-C DC 5 V = 0.3 A Case charging time: approx. 1.5 h Earbuds charging time: approx. 1.5 h Color: black ~ Key Benefits Dudao U20 TWS Bluetooth Wireless Earbuds - Black: Ultra-light design: each earbud weighs only 4.9 g, which ensures all-day wear. Long battery life: The 400 mAh battery of the case allows up to 30 hours of combined operation. Stable Bluetooth 5.4 connection: fast pairing and low latency for a better user experience. Flexible fit: Titanium memory alloy wire and skin-friendly TPU material guarantee comfort and durability. High sound quality: Ø12 mm drivers deliver crisp highs and powerful bass. ~ Ultra-light 4.9g design Each earbud weighs just 4.9g, so you can wear them for hours without feeling uncomfortable. Long battery life The 400 mAh charging case and 35 mAh headphones provide up to 30 hours of battery life and up to 7 hours of music listening on a single charge. Stable Bluetooth 5.4 Connection Jieli 6973D4's modern Bluetooth chip offers fast pairing, low latency, and a stable range of up to 10 meters. Flexible fit and comfort Titanium memory wire and skin-friendly TPU material guarantee a perfect fit and wearing comfort for up to 12 hours. Dynamic Sound Ø12mm Ø12mm drivers deliver crisp highs and powerful bass, creating a full, dynamic sound for your music.