It can greatly reduce noise, provide clear sound quality. we only sales hearing amplifier. Equivalent Input Noise Sound Level: ≤29dB+3. Frequency Response Range: 400Hz-4500Hz. Fine quality material, safe and non-toxic.
eBay
XINJ 2pcs 3.7V 370mAh 3 Wire Thermistor Li Lithium Polymer Battery 373040 Lipo For PDA Driving Recorder Phone Car Camera E-Book
Aliexpress UK
Rechargeable Hearing Aids for Seniors with Noise Cancelling,Hearing Loss Hearing Amplifiers,Digital Hearing Aid,Sound amplifier with Volume Control Features: 1. Rechargeable BTE Sound Amplifier (Left and Right): A rechargeable BTE hearing amplifier specially designed for the elderly and people with hearing loss. Perfect gift for seniors 2. Easy to Place and Discreet Design: It is lightweight and comes with comfortable ear hooks. The hearing aid's tube adapts to the contours of your ear for ease and comfort. It curves so neatly behind your ears that no one will notice you're wearing it. 3. Long-lasting Battery: Charging time is 2.5 hours, battery life is up to 40 hours. .
eBay
Camera B52 Built-in Battery And Headphones
Aliexpress UK
?Shipping Warehouse: UK warehouse ?Delivery method: Royal Mail (with tracking number) ?Delivery time: within 2 to 4 working days ?Reply within 24 hours Features: .
eBay
600W solar panel kit with 12V USB and 100A controller solar battery for RV, yacht, camping and mobile phone battery chargers
Aliexpress UK
Input Noise:≤32dB. Max sound output:118±4dB. Sound gain: ≥32dB±2dB. Current:≤2mA.
eBay
ZGCINE DT-PD 20‘’ D-Tap to USB-C PD 2-Way V-Mount Charger Power Delivery Cable for V-Mount Battery/Mirrorless Cameras/Phones
Aliexpress UK
Rechargeable Hearing Aids for Seniors with Noise Cancelling,Hearing Loss Hearing Amplifiers,Digital Hearing Aid,Sound amplifier with Volume Control Features: 1. Rechargeable BTE Sound Amplifier (Left and Right): A rechargeable BTE hearing amplifier specially designed for the elderly and people with hearing loss. Perfect gift for seniors 2. Easy to Place and Discreet Design: It is lightweight and comes with comfortable ear hooks. The hearing aid's tube adapts to the contours of your ear for ease and comfort. It curves so neatly behind your ears that no one will notice you're wearing it. .
eBay
Wholesale 10pcs 3.7V 200mAh 0.74Wh Li Battery 501040 Li-ion For Music Player GPS Recording Pen Bluetooth Speaker Headphones
Aliexpress UK
Features:-It adopts a lightweight in-ear design and comes with earplugs of different sizes to ensure a tight fit, comfortable wearing and reduced howling.-The left ear is blue and the right ear is red, making it easy to tell which ear it applies to. With obvious on/off button for easy operation.-Hidden design, looks like a Bluetooth headset, so you won't feel uncomfortable.-Equipped with a 300mAh large-capacity charging box, it can be fully charged in about 30 minutes and can be used for about 6 hours. The charging box can provide 5 charges when fully charged.-Built-in intelligent digital chip, intelligent noise reduction, no fear of noisy environment, providing excellent sound quality.Specification:Maximum sound output: 118+/- 3dBSound gain: >= 35dB+.
eBay
114065 Lithium Polymer Battery 3.7V 4000mAh Li-po Rechargeable Batteries for Power Bank Beauty Instrument Headphone Tachograph
Aliexpress UK
JINGHAO 1 Pair Rechargable Hearing Aids In Ear Sound Amplifier Enhancer Device. This hearing aid is equipped with two different types of earplugs (standard earplugs and anti-whistling earplugs). 25% smaller than others.
eBay
3.7V 1000mAh 523450 polymer lithium rechargeable battery GPS smartphone DVD MP5 mini speaker +
Aliexpress UK
Portable Wireless Hearing Aids, Intra Deep CIC, Mini Sound Amplifier, Invisible, Improve Hearing Quality.
eBay
4PCS AAAA E96 LR61 LR8D425 1.5V Alkaline Battery For Stylus Laser Pen Touch Pen Bluetooth Earphone Clock LR8D425 MN2500 MX2500
Aliexpress UK