Specifications:

• With Microphone: Yes
• Wireless Type: Bluetooth
• Waterproof: Yes
• Waterproof: Headset: IPX4 waterproof
• Volume Control: Yes
• Vocalism Principle: Dynamic
• Support Memory Card: No
• Support APP: No
• Style: In-Ear
• Single Earphone Battery: 40mAh
• Sensitivity: 1205dB
• Resistance: 16Ω
• Plug Type: Line Type
• Package List: User Manual
• Net Weight(single earphone): 4.1g
• Net Weight(earphones with charging box: 35.4g
• Model Number: TWSEJ04LS
• Is wireless: Yes
• Function: Sport
• Function: For Mobile Phone
• Features: Waterproof
• Control Button: Yes
• Connectors: USB
• Communication: Wireless
• Charging time of earphone: About 1.5 hours
• Charging Time of Charging box: About 2 hours
• Charging Box: None Waterproof
• Charging Box Battery: 300mAh
• Brand Name: Xiaomi
• Bluetooth Protocal: HFP / A2DP / HSP / AVRCP
• Active Noise-Cancellation: Yes