• 360 degrees stereo surround sound, produced by the resonance of the speaker cavity
• LCD full-color touch screen, answer calls, play music, and other functions at your fingertips
• Ergonomic in-ear design, soft small ear wings, stable and painless wearing
• Integrated fully adaptive digital noise reduction technology that can intelligently respond to the environment and its changes
• New high-definition audio decoding technology can provide 1.5 times the information of traditional true wireless headphones, present more sound details
• Equipped with 5 sound modes, balanced, stereo, bass, jazz, and vocal
• With noise reduction call optimization algorithm, removes environmental noise and echo, and optimizes the pickup of human voices, presenting a clear face-to-face call experience
• The left and right earphones are equipped with touch functions, allowing you to easily control incoming calls, answer calls, and play music

Specification:

• Model: V8
• Driver size: 10mm/0.394" dynamic driver unit
• Power supply: 5V-1A
• Headphones: one 6.1g (one pair 12.2g)
• Charging box: 73g/0.1609lbs
• Headphone battery type: lithium-ion polymer (70mAh/3.85V)
• Charging box battery type: lithium-ion polymer (850mAh/3.8V)
• Charging time: 2 hours (from empty to fully charged)
• Music playback time with Bluetooth on but active noise cancellation off: up to 10 hours
• Music playback time with Bluetooth and active noise cancellation turned on: up to 8 hours
• Music playback time with Bluetooth and fully adaptive active noise cancellation: up to 6 hours
• Talk time with active noise cancellation turned off: up to 6 hours
• Talk time with active noise cancellation on: up to 5.5 hours
• Frequency response range: 20Hz-20 kHz
• Impedance: 16ohm
• Sensitivity: 100 dB SPL@1kHz
• Maximum SPL: 95dB
• Microphone sensitivity: -38dBV/Pa@1kHz
• Bluetooth version (headphones): 5.3
• Bluetooth version (charging box): 5.1
• Bluetooth profile version: A2DPV1.3.2, AVRCPV1.6.2, HFPV1.7.2
• Bluetooth transmitter frequency range: 2.4GHz-2.4835GHz
• Bluetooth transmitter power: <15dBm(EIRP)
• Bluetooth transmitter modulation (headphones): GFSK, π/4-DQPSK, 8-DPSK
• Bluetooth transmitter modulation (charging box): GFSK
• Maximum operating temperature: 45℃