Écouteurs Bluetooth TWS, casque sans fil Bluetooth avec réduction de bruit et microphone, compatibles avec les smartphones

My friend. If you have any questions, please feel free to contact us.   Please note that there is no packing box for direct purchase of this product. If you need packing box, please contact the seller. Parameters: 1.Bluetooth Transmission Range: 10 Meters 2.Rechargeable Battery Capacity: 300 Mah 3.Headphone Battery Capacity: 40 Mah 4.Working Time: About 2-5 hours 5.Charging Time: About 1-2 hours 6.Standby Time: About 150 hours 7.Material: Plastics 8.Waterproof Rating: IPX4 9.Operation Mode: Buttons 10.Compatible: Android, iOS, Microsoft, Tablet, 99% of the phones with Bluetooth. Features: 1. Full Frequency HIFI Moving Iron 2. LED Digital Display, Real-Time Power Display, Power Level At A Glance 3. The Left And Right Ears Can Be Used Separately And Can Be Independently Matched With Bluetooth Devices 4. Smart Buttons Design, Easy To Operate 5. Bluetooth 5.0, Low Power Consumption Note: When purchasing the tws Bluetooth headset, please read the following instructions: Due to long-term transportation, the power of the tws earphone will be exhausted. You will not be able to use the headset when you receive the package. It may be powered off. The first thing to do is to charge the headset box for 30 minutes. Very important. Thank you! This product does not have a retail package box! ! !  Packing List: 1*Bluetooth Headset(L) 1*Bluetooth Headset(R) 1*charging box 1*data cable 1*manual