Silicone anti-falling ear wings for secure fit and comfort during long-term use. Food grade silicone material ensures non-allergenic experience for all users. Ergonomic design provides noise reduction without the need to turn on the phone. Lightweight construction weighing only 2.6g, light than a regular A4 paper. Physical noise isolation for blocking out annoying snoring, ensuring comfortable wear without ear pain. Item Name: Wireless Earphone Material: ABS Bluetooth-compatible Version: 5.3 Headphone Battery Capacity: 30mAh Charging Case Battery Capacity: 250mAh Battery Charging Time: about 1h Receiving Distance: Above 10m (without Barriers) Single Continuous Listening: about 5 Hours Can Charge Headphones: about 3 Times Charging Input: 5V/1A Earphone Type: In-ear Type Noise Reduction: Active Noise Reduction Playback Control: Yes Features: Noise Reduction, Anti-slip, Long Endurance Size Details: Diameter: 4.68cm/1.84" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Wireless Earphone 1 x Charging Case 1 x USB Cable 1 x User Manual