With the latest Bluetooth version, you get a greater range at faster speeds using lower power. Digital Signal Processing creates a safe experience that suppresses noise without blocking the speech signal.
eBay
3.7V 1700mAh 504060 054060 Lithium Polymer Li-Po li ion Rechargeable Battery cells For Mp3 MP4 MP5 GPS mobile bluetooth
Aliexpress UK
Style: Neckband, Collar, In-ear. Hearing aid x1. Function: Sound amplification. Sound Output: 117+3 dB Max. We are committed to resolve all issues in a friendly and satisfactory manner.
eBay
1-10pcs 801350 3.7V 500mAh Rechargeable Li-Polymer Lithium Batterie for Speaker Bluetooth Headset Smart Watch Camera MP3 GPS DVD
Aliexpress UK
5 It is also a Bluetooth headset, and long press to switch to Bluetooth mode after startup. Hearing aid mode can be used in both cases; Bluetooth mode only supports single-ear mode, two do not support pairing;.
eBay
Ni-MH 1.2V 450mAh Rechargeable AAAA Batteries& Charger for Surface Pen,Alarm Clocks,Flashlights,Bluetooth Speaker
Aliexpress UK
Bone Hearing Headphone: Advanced bone conduction technology and transmit your natural sounds by bone. Open ear design to preserve your situational awareness. Built-in HD microphone to pick up surroundings and people’s sounds for daily conversations.
eBay
3.7V 1000mAh 603048 Lithium Polymer Rechargeable Battery For MP4 GPS LED Light Purifier Bluetooth Headset Speaker Li ion Cell
Aliexpress UK
Features:-It adopts a mini size design and a Bluetooth earphone appearance, which is different from the old hearing aid and is invisible and burden-free to wear.-Built-in the latest chip to achieve the best hearing aid function and help the hearing-impaired people hear sounds normally.-With multi-level volume adjustment, you can adjust the required hearing aid volume according to your needs. After wearing and turning on the device, double-click/triple-click to adjust the volume.-It automatically enters hearing aid mode when turned on, which is easy to use and more suitable for elderly users.-It can also be used as Bluetooth earphones. After turning on, you can switch to Bluetooth mode by long pressing it. Please note that the Bluetooth headset mode only supp.
eBay
11.1V 18650 3S2P 7000mAh Battery 12V Rechargeable Lithium Battery Pack W/ BMS Backup Power Supply for CCTV Monitor Bluetooth
Aliexpress UK
Mini size, bluetooth headset appearance, different from the old-fashioned hearing aids, wearing it will not let people notice any. Note: The regular model is in Bluetooth earphone mode. It is also a Bluetooth headset, long press to switch to Bluetooth mode after power on.
eBay
New Replacement Battery GSP0931134 For JBL Xtreme Bluetooth Audio Outdoor Speaker Rechargeable Batteries 5000mAh High Capacity
Aliexpress UK
Two hearing aid modes can be used, Bluetooth mode only supports single ear mode, and two do not support pairing;. Mode: hearing aid mode; Bluetooth headset mode. This product is a single one, you need binaural hearing aid, buy two;.
eBay
3.7V 450mAh Polymer Lithium LiPo Rechargeable Battery 602040 For Bluetooth headset, beauty instrument, selfie stick, spray, etc
Aliexpress UK
Hearing Aid ×1. Applicable to: people with mild hearing loss and the elderly. Function: Sound amplification and auxiliary listening, Bluetooth earphone. Spare Ear Cap x2. Maximum saturated sound output: ≤117dB.
eBay
401030 3.7V 110mAh Rechargeable Lithium Polymer Lipo Battery | For MP3 MP4 GPS Bluetooth Headsets Cameras Video Pens
Aliexpress UK