ONIKUMA T308 TWS Wireless Bluetooth 5.3 Earphone with Mic Feature: 1. Designed to provide a stable and reliable wireless connection, ensuring uninterrupted audio enjoyment. 2. Enjoy high-quality audio experience with the noise cancelling feature of these earphones. This feature effectively blocks out external noise, providing you with a peaceful and immersive audio experience. 3. Designed with an in-ear style, these headphones offer a comfortable fit and superior sound quality. The earphones are perfect for prolonged use, ensuring no discomfort even during extensive sessions. 4. Experience superior audio quality with the dynamic vocal principle of these earphones. This feature enhances the clarity and depth of sound, making your audio experience more immersive and enjoyable. 5. Made from durable plastic material, the earphones are designed to withstand daily wear and tear. Lightweight and portable, making them ideal for on-the-go use. 6. Convenient charging method with the included charging case. This feature ensures your earphones are always ready for use, eliminating the need for constant recharging. Parameters: 1. Chipset: AB5656C2 2. Bluetooth version: 5.3 3. Material: ABS 4. Supported protocols: HSP1.2, HFP1.7, A2DP1.3, AVRCP1.6 Decoding format: AAC SBC 5. Bluetooth range: 10m 6. Charging capacity: 3.7V 300mAh 7. Headphone battery capacity: 3.7V 40mAh 8. Charging box: rechargeable 2 times 9. Headphone charging time: 2H 10. Box charging time: 2H 11. Working time: 6 hours 12. Talk time: 5 hours 13. Standby time: up to 100 14. Low latency: 40MS 15. Headphone driver unit: 10mm, 32 ohms 16. Frequency response range: 20-20KHZ 17. Charging port: TYPE-C