ZTQ-FT011A Dual Bluetooth Headphones with Senior Hearing Aid System.Color: White

•Smart noise-cancelling amplifier headphones make sounds louder, allowing for a maximum hearing gain of up to 35dB and a maximum output sound pressure level of 118dB + 3dB. •32-channel, 4-chip hearing aid upgrade, 32-segment fine-tuning improves sound clarity, multi-channel speech recognition and separation algorithm. •Thanks to the AICLEAR noise suppression algorithm, sudden noises are suppressed in a matter of milliseconds, protecting the user's hearing at all times. •Integrated touch controls on the side of the devices: Switch between sound amplification and normal earpiece, control volume, control playback (play, pause), and answer or reject calls. •Automatic connection (once paired on first use). With Bluetooth 5.3 latest generation with low consumption and long range. It also has a high-capacity battery with up to 18 hours of battery life. •Includes USB Type-C charging cable x1, instruction manual x1, earphones x2, replacement ear pad x4, cleaning brush x1, charging box x1. nBluetooth version: 5.3 Bluetooth distance: about 10 meters Protocol: A2DP / AVRCP / HFP / HSP Charging case battery: 3.7/500 mAh Charging time: approximately 2 hours Phone call and music listening time: approximately 18 hours OSPL90 maximum: ≤117 dB + 3 dB OSPL90 mid-high frequency: 115 dB ± 4 dB Total gain: 30 dB + 5 dB Equivalent input noise level: ≤29 + 3 dB Rated power consumption: 10 mA Total harmonic distortion: ≤7% + 3%. Frequency response range: 400 Hz to 4500 Hz Nominal voltage: DC 3.7V Input power: DC 5V/1A IPX4 waterproof rating, protection against sweat and splashes. Do not wet, submerge, put in the shower or expose to environments with condensation, steam, etc. It has CE and RoHS certificates. ABS, metal alloy.