Upgrade Bluetooth 5.4: 10 meters transmission distance stable connection, low latency and lower loss, smooth viewing and gaming experience Automatic paring: These Bluetooth earbuds automatically connect to your device the moment you take them out of the case, offering hassle-free pairing and immediate use Smart Touch Screen Control: With intuitive touch control, you can easily manage 13 functions such as music playback, photography and volume adjustment, etc., all operated in the earphone bay ANC/ENC Multiple Intelligent Noise Reduction: Combined with ANC/ENC dual reduction technology, it effectively eliminates noise and improves the call experience Spatial Audio 360° Sound Field: Make the sound as if it existsin any direction of the space, bringing a sense of cinema immersion Specification: Chip: AD7003D4 Bluetooth version: V5.4 Speaker: 10mm 32Ω Earbuds battery: 45mAhx2 Charging Case Capacity: 500mAh Battery with protection plate Charging Case Charges Earbuds:about 4times Earbuds Charging Time: 1H Charging Case Charging Time: 1H Playing Time: 5-6H Working Range: 10m