Generic MD04 Earpiece Bluetooth 5.0 Wireless Earphone Headset HIFI

Dear customer, welcome to SXCY factory store. The production plant where the store sells products mainly manufactures products for well-known international brands such as Apple, Xiaomi and Huawei. Compared with similar products in the market, the quality of the products sold in this store is much higher. Please rest assured to buy from this store.       After receiving the product, please charge it for ten minutes before using it. If the product is damaged during transportation, please return it in time and we will send you a new product.   In the process of using the product, if you are satisfied with the product, please give it a five-star rating, please add the SXCY brand store to your favorites, and show it to your friends. If you are not satisfied with the product, please leave a message in the comment box. We will pay attention to your feedback and continue to improve the product based on your suggestions.     Bluetooth headphones deliver realistic sound and powerful bass, and are equipped with a 6mm wide speaker. Noise cancellation technology can reduce ambient noise and echo. Advanced Bluetooth 5.0 technology delivers high-quality sound for conversations, sports and professional listening. Provides excellent connectivity. Turn on the charging box, the Bluetooth headset is automatically paired, then turn on the Bluetooth settings on the device to pair with the headset that provides HiFi stereo.   Transmission distance: 10 meters without barriers Speaker material/specification: 6NM dynamic speaker Frequency response range: 20-20KHZ Charging voltage: DC 5V Microphone sensitivity: -42dB Working temperature: -10-50 degrees Celsius Sensitivity: 120dB +/-5dB Charging interface: TYPE-C Charging time: about 1.5h Headphone battery capacity: 40mAh  capacity: 3500nAh Music playback time (80% volume): about 5 hours Standby time: 120 hours Waterproof grade: Waterproof for service life Colour: Black Material: ABS Size: 7.9x4.8cm Display: 1.54 inch 240×240px IPS color screen Touch: full screen touch CPU: HS6620 Bluetooth version: 4.2 + 5.0 dual mode Memory: 32M Battery: rechargeable polymer Charging type: USB charging Equipment requirements: ios9.0 and above, Android 5.0 and above Sensor: optical heart rate sensor + 3D acceleration sensor   2*Bluetooth headset 1 * charging box 1 * USB charging cable 1 * User Manual