Bluetooth Earphone Touch Earphones Wireless Headphones Bloototh Earbuds TWS F9 invisible sports bluetooth headset hot sell
- Bluetooth version: V5.0 + EDR
- Wireless frequency: 2.4GHZ
- Support agreement: A2DP1.3 / HFP1.6 / HSP1.2 / AVRCP1.6 / D11.3
- Transmission distance: 10 meters
- Battery capacity: 50mAh
- Charging voltage / current: 5V / 1A
- Play / talk time: about 4 hours
- Charging time: about 1 hour
- Standby time: 120 hours
- Speaker impedance: φ8MM 32
- Microphone sensitivity: -42D
- Working temperature: -10-50
- Gross weight: 4g * 2
