Series name: JHead SeriesModel: JR-JH2Name: ANC Wireless HeadphonesBT version: 5.4Chip model: JL7006BT audio decoding: SBC, AACBattery capacity: 800mAhSpeaker specification: 40mm (32Ω±15% (at 1kHz))Speaker sensitivity: 110±3dB (at 1kHz, 0.126V)Frequency response range: 20Hz–20kHzBT frequency band: 2.402-2.480GHZMax output power: 0dBBT range: >10mStandby time: 150hPlayback time (ANC off): 100h (70% volume)Playback time (ANC on): 70h (70% volume)Talk time: 60h (70% volume)Charging time: 1.5hSupported AUX: 3.5mm audio adapter cableCharging port: Type-CPower input: 5V⎓1AMaterial: ABS1. 40mm large dynamic speaker, natural bio-fiber diaphragm, stunning bass, crisp vocals, more equalized frequencies2. Powerful combination of ANC and PNC, total noise cancellation up to -38dB, one-tap to eliminate external noise and uproar, etc.3. Dual EQ modes, free switch between normal human voice mode and punchy bass mode4. Ultra-soft PU ear cushions, snug fit over ears, pressure-free comfort5. Up to 100h ultra-long listening time, worry-free power for day and night6. Lightweight build, foldable design, adjustable length, effortless wearing7. Latest BT 5.4 technology, less audio loss, better anti-interference ability, instant connection8. Dual-device connection, seamless switching between music, game and call9. 3.5mm audio adapter cable included, enjoy wired/wireless HiFi audio with rich details10. Intuitive multifunctional buttons, super easy to operate