DMOOSTER D57 Open-Ear Bluetooth 5.3 Wireless Earphones - AMS Technology, Noise Canceling, Tone Adjustment in App

• ASM patented technology: Aerodynamic fluid design with air beams, digital noise reduction technology, Magnetic suspended horn diaphragm
• ANC active noise reduction, clear voice.
• No need to wear in the ear, stay away from the eardrum is safe and comfortable
• Dual microphones CVC intelligent call reduction, suitable for cycling, travel, calling, office, fitness, exercise.
• Support APP: power display, finding earphones, pairing name modification, intelligent EQ adjustment
  
  

SPECIFICATIONS

Bluetooth version: V5.3
Transmission distance: 12 meters (barrier-free)
Frequency range: 20Hz-20kHz
Battery capacity: 45mAh earphone, 240mAh charging case
Charging time: about 1.5 hours
Standby time: about 20 days
Music time: about 5 hours
Talking time: about 5 hours
Charging port: Type-C