Specifications:

• With Microphone: Yes
• Wireless Type: Bluetooth
• Waterproof: Yes
• Volume Control: Yes
• Vocalism Principle: Dynamic
• Total Harmonic Distortion: 1%
• Support Memory Card: No
• Support APP: Yes
• Style: In-Ear
• Sensitivity: 20dB
• Plug Type: NONE
• Package List: Charging case
• Origin: CN(Origin)
• Model Number: i7s
• Max Output: 20mW
• Magnet Type: Ferrite
• Is wireless: Yes
• Impedance Range: up to 32 Ω
• Headphone Pads Material: SILICONE
• Function: For Mobile Phone
• Frequency Response Range: 20 - 8000Hz
• Features: waterproof
• Control Button: Yes
• Connectors: None
• Communication: True Wireless
• Codecs: sbc
• Charging Method: Charging case
• Certification: RoHS
• Certification: CE
• Brand Name: youKme
• Bluetooth Version: 5.0
• Active Noise-Cancellation: No