Ensure uninterrupted hearing aid performance with this rechargeable 312 Hearing Amplifier Batteries Charger, designed specifically for devices using 312 batteries. Crafted from durable ABS material, this compact and portable charging case includes two built-in 312 button batteries, each with a 155mAh capacity, providing reliable power for your hearing amplifier devices. Key Features: · Compatible with 312 Batteries: Suitable for a wide range of hearing amplifiers using 312 batteries, delivering 7-10 hours of usage for non-Bluetooth hearing aids and 3-6 hours for Bluetooth-enabled devices. · Rechargeable & Cyclic Charging: The built-in rechargeable batteries can be charged repeatedly using the included USB charging cable, allowing convenient power replenishment anytime, anywhere. · Dual Battery Design: Comes with two 312 batteries pre-installed to ensure your hearing amplifier remains powered at all times, offering peace of mind and extended usability. · Portable & Lightweight: The compact and lightweight ABS charging case is easy to carry, making it ideal for travel, business trips, or everyday use on the go. · Long-Lasting Power: Each battery features a 155mAh capacity, providing sustained energy output to keep your hearing devices functioning optimally throughout the day. Specifications: · Item Type: Hearing Amplifier Batteries Charger · Material: ABS · Battery Type: 312 Button Batteries (Built-in) · Battery Capacity: 2 x 155mAh · Usage Duration: 7-10 hours (non-Bluetooth hearing aids), 3-6 hours (Bluetooth hearing aids) Package Includes: · 1 x Hearing Amplifier Batteries Charger with 2 x Built-in 312 Batteries · 1 x USB Charging Cable This rechargeable 312 Hearing Amplifier Batteries Charger is an essential accessory for maintaining the power and performance of your hearing amplifiers. Its durable construction, long-lasting batteries, and portable design make it a reliable and convenient charging solution for everyday hearing aid users.