Specifications:

• With Microphone: Yes
• Waterproof: Yes
• Support Memory Card: No
• Origin: CN(Origin)
• Volume Control: Yes
• Package List: Charging case
• Wireless Type: bluetooth
• Calling: Double side earphone has the so
• Earphones Battery: 40mAh*2
• Charging Method: Charging case
• Function: Sport
• Earcups Type: Sealed
• Certification: FCC
• Plug Type: NONE
• Resistance: 32
• Number Of Drivers: 2
• Headphone Pads Material: SILICONE
• Communication: Wireless
• Function: Common Headphone
• Function 4: wireless stereo bluetooth earphone
• Vocalism Principle: Dynamic
• Function: For Mobile Phone
• Function 6: Wireless Earphones
• Function1: HiFi Earphone
• Model Number: B9
• Max Output: 1mW
• Support APP: No
• Connectors: None
• Charger Battery: 300mAh
• Function: Common Earphone
• Style: In-ear
• Magnet Type: Neodymium
• Function: HiFi Headphone
• Bluetooth Version: 5.0
• Function 3: Bluebooth Earphones
• Waterproof: IPX5 Daily Life Waterproof
• Impedance Range: up to 32 Ω
• Codecs: Apt-X
• Function 7: Bluebooth earburds
• Frequency Response Range: 20 - 200000Hz
• Name: B9 TWS Bluetooth Earphones
• Control Button: Yes
• Service: Retail/m
• Function 8: Music earphone/Sport earphone
• Is wireless: Yes
• Driver Diameter: 8mm
• Active Noise-Cancellation: Yes
• Bluetooth: 5.0
• Total Harmonic Distortion: 1%
• Line Length: 0Nonem
• Package List: Charging Cable
• Function 5: TWS Earphone
• Package List: User Manual
• Play time: 3h
• Function 2: Left and right earphone can be used seperately
• Brand Name: Oppodas
• Transmission distance: 10m
• Charger Time: 1h
• Sensitivity: 123dBdB