FONENG BL600 TWS Wireless Earphone

SPECIFICATION

• Bluetooth version: 5.1
• RE Transmit power: CLSS2 4dBm
• Acceptance Sensitivity: -90dBm
• Headphone music duration: 5hours*
• Headphone talk time: 4.5hours*
• Earphone box battery life: 15hours*
• Horn Diameter: Horn Size=13mm
• Speaker Impedance: 32Ω+15%
• Headphone Charging time: 1hour
• Headphone case charging time: 2hours
• Single Earphone weight: 3.1g
• Microphone Sensitivity: -42+2db
• Transmission frequency: 2.4GHZ-2.48GHZ
• Headphone Power Supply: built-in lithium battery 3.7V/25mAh
• Battery Box Power Supply: built-in lithium battery 3.7V/230mAh
• Bluetooth audio protocols: HFP, HSP, A2DP AVRCP, SPP, PBAP, TWS+
• Communication distance: >=10m/33 feet (depending on mobile phone function)