Brand Name: SANSUI Style: Tws in-ear headphones Vocalism Principle: Dynamic Origin: Mainland China Material: ABS Material: Plastic Material: Silica Gel Communication: True wireless Volume Control: Yes Category: Earphones & Headphones Number Of Drivers: 2 Impedance Range: up to 32 Ω Headphone Pads Material: Silicone Active Noise-Cancellation: Yes Sound Isolating: Yes Waterproof: Yes Frequency Response Range: 20 - 20000 Wireless Type: Bluetooth Resistance: 32 Package List: User Manual Package List: Charging case Package List: Charging Cable Control Button: Yes Codecs: AAC Codecs: sbc Driver Diameter: 13 Sensitivity: 117 Is wireless: Yes Weight[g]: 46 Earcups Type: Sealed Bluetooth Version: other Battery life up to[hours]: 28 Charging Method: Charging case Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: Sport Function: For Outdoor Function: For Office Function: For Study Battery Capacity[mAh]: 400 Maximum wireless range[m]: 10m-20m With Microphone: Yes Features: Waterproof Features: With microphone Features: Apple Siri Support Features: Active Noice Cancelling Features: Google Assistant Support Item Condition: New Choice: yes semi_Choice: yes