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F9 Wireless TWS Bluetooth5.0 Earphones Sports Waterproof In-ear Earbuds Headphones LED Display Touch Control Headset With Mic
Specifications:
- Brand Name: oein
- Certification: None
- Charging bin battery capacity: 2000mAh
- Charging time: about 1 hour
- Charging voltage: DC5V
- Cumulative battery life: about 220 hours
- Frequency range: 20-20000Hz
- Headphone battery capacity: 50mAh
- High-concerned chemical: None
- Light color: white
- Microphone sensitivity: -42Db
- Origin: Mainland China
- Sensitivity: 120dB +/- 5dB
- Transmission distance: 10m
- Working temperature: -10-50°C
- Free shipping
- Free returns*
- Low prices
- 5 million products