F20 Bluetooth-compatible Ear Clip Earphone Digital Display Wireless Music Headset

• Strictly select skin-friendly, comfortable and high-elastic materials, which can be folded at will without deformation, super comfortable for long-term wearing
• Innovative sound insulation technology, completely solves the problem of sound leakage and protects your privacy
• Built-in ENC noise reduction for high-definition calls, automatic silicon microphone noise reduction, and accurately picking up human voices
• High-quality new lithium battery, with strong battery life
• New concept ear clip type, ergonomic design, stable wearing, clear sound quality, suitable for sports
• Lightweight, no sense of restraint to ears

Specifications:

• Bluetooth-compatible version: V5.3+EDR
• Listening time: about 25 hours
• Earphone battery: 150mAh
• Wireless frequency: 2.4GHZ
• Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
• Transmission distance: 10 meters
• Charging voltage/current: 5V/1A
• Charging time: about 2 hours
• Standby time: 200 hours
• Horn impedance: φ13MM 32Ω
• Mic sensitivity: -42dB