Chip: JL6976D4

Bluetooth version: V5.0

Horn counter-assembly: Φ14.2mm 16Ω

Frequency range: 20Hz~20KHz

Horn sensitivity: 104±3dB

Rated power: 3mW

Wireless transmission distance: Approximate value ≥ 10 meters

Headphone music playback time: ~3.5-4 hours

Headset talk time: ~4H

Standby time: >200 hours

Charging time: 1 hour

Battery capacity: 25 mAh (headphones)

300mAh (charging) (with protective board)

Antenna type: Ceramic antenna

Call microphone head: silicon microphone

Charging case 5V input peak current: 300mA/5V/Type-c

The charging case can charge the earphones: approximately 3 times