l I7s Binaural Wireless Bluetooth Headset TWS Earphone with Charging

l I7s Binaural Wireless Bluetooth Headset TWS Earphone with Charging Bin Plating

• Line Length:None
• With Microphone:Yes
• Wireless Type:bluetooth
• Connectors:None
• Waterproof:No
• Communication:Wireless
• Active Noise-Cancellation:Yes
• Support Memory Card:No
• Volume Control:Yes
• Control Button:No
• Is wireless:Yes
• Support APP:No
• Sensitivity:118dB
• Style:Ear Hook
• Vocalism Principle:Balanced Armature

Features
Bluetooth version: EDRV4.2
Voice: Support
Support Protocol: HFP HSP A2DP AVRCP
Function: answering calls, hanging up call registration, hanging up, listening to music pause/play, voice report, tail number redial, caller number, smart voice prompt, power display, noise reduction
Battery capacity: left and right ears: 55mAh, base 300mAh
Charging power supply: AC input 110-240V DC output 5V
Transmission power: Class2
Wireless frequency: 2.402-2.480GHz
Call duration: 2-3 hours or so
Music playback: 2-3 hours or so
Charging time: 60 minutes
Noise Reduction: DSP Intelligent Noise Cancellation Technology
Operating range: 15 meters effective distance
Charging interface: Micro-USB
Charging instructions:
Headphone charging indicator: when the headphone is charging, the red light is on. When the red light is off, it is full charged.