SPECIFICATIONS BT Version: V5.0+EDR Battery Capacity[mAh]: 250 Battery life up to[hours]: 24 Bluetooth Version: 5.0 Category: Earphones & Headphones Certification: CE,RoHS Charging Method: cable Charging time: 1-2 hours Choice: yes Codecs: AAC Communication: WireLess Connectors: Lightning Control Button: Yes Depth[mm]: 8 Driver Diameter: 10 Earcups Type: Sealed Features: Waterproof,With microphone,Amazon Alexa Support,Apple Siri Support,Active Noice Cancelling,Dual Connection,Google Assistant Support Function: for Video Game,For Mobile Phone,HiFi Headphone,Sport Headphone Pads Material: Other Height[mm]: 10 High-concerned chemical: None Impedance Range: up to 32 Ω Is wireless: Yes Item Condition: New Line Length: 0 Magnet Type: Other Material: Silica Gel Max Output: 1 Music time: 3-5 hours Number Of Drivers: 2 Origin: Mainland China Package List: User Manual,Charging case,Charging Cable Plug Type: None Product name: Mini Air Pro4 Earphones Sensitivity: 110 Standby time: 120 hours Style: Tws in-ear headphones Support: for IOS Android Support APP: No Talking time: 3-5 hours Total Harmonic Distortion: 0 Type: TWS Wireless BT 5.0 Headset Vocalism Principle: Balanced Armature Volume Control: Yes Waterproof: Yes Weight[g]: 45 Width[mm]: 10 Wireless Type: Bluetooth With Microphone: Yes Working distance: 10-15 Meters function: TWS Air Pro 4 Fone Bluetooth earphones headphones earbuds product features:1. without any logo or text on charging case.2. Support Rename.3. Support GPS location.4. Binaural call, left and right headphones can be used separately.5. Auto pair / automatic connection.6. No LED light when using.7. Multi-function touch control button.8. Hifi stereo and bass sound.9.Upgrade Bluetooth 5.0 chip, the performance is improved, 10 meters is not stuck & continuous.10. Support previous track / next track.11.Perfectly compatible Android system.packing list:1 pair Wireless earbud1 x charging case1 x USB charging cable1 x user manual