ITEM NAME:Air 3 TWS Earphones Bluetooth 5.0 Wireless In-ear Earbuds with Charging Case Product Description Description: Air 3 TWS Earphones Bluetooth 5.0 True Wireless Stereo In-ear Earbuds Headphones Headset with Charging Case Specifications: Model: Air-3 Type: TWS Bluetooth version: 5.0 + EDR, 6936D8 Supported protocol: Headset / Handsfree / A2DP / AVRCP Working voltage: 3.4-4.2V Working current: 4-15mA Standby current: