Feature:1. Millisecond frequency shift technology converts the inaudible part of the high frequency to the frequency band that the hearing-impaired can hear. 2. Hard reduction technology, real-time ear protection (such as sudden explosions, which are likely to cause damage to hearing loss). 3. Wireless Bluetooth-compatible 5.2, can connect to the mobile phone independently, answer calls and listen to music at the same time. Name: Headset Color: black, gray Wearing method: hanging neck Operation: push button Whether binaural: binaural Channel: Stereo Bluetooth-compatible version: 5.2 Bluetooth-compatible distance: 10-15 meters Product features: digital hearing aid + Bluetooth-compatible call + play music Battery capacity: 400MAH, battery life 45 hours, standby 180 days Packing list: Headset x 1 Charging Cable x 1 Instruction x 1 Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don&#39;t mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks. <div class="panel panel-info"><div class="panel-heading" style="font-weight:bold;">IMPORT: THIS ITEM IS SHIPPED FROM CHINA. PLEASE EXPECT UP TO 25 DAYS FOR DELIVERY</div></div>

Wireless Bluetooth-compatible Earphone Digital Hearing Aid Neckband Headset Multi-channel Smart Sound Amplifier Grey