Designed for easy one-finger operation, it takes just seconds to find your perfect sound level, suitable for all ages. Battery cell composition: Lithium Ion.
Britzgo 1301 Personal Sound Support BTE，40H Long-Lasting Battery，Type-C Fast Charge，Turbo Rotary Volume & 2 Audio Modes (Soft/Bright)，Durable ABS Shell (blue-one)
Britzgo 1301 Personal Sound Support BTE，40H Long-Lasting Battery，Type-C Fast Charge，Turbo Rotary Volume & 2 Audio Modes (Soft/Bright)，Durable ABS Shell (blue-two)
Britzgo 1301 Personal Sound Support BTE，40H Long-Lasting Battery，Type-C Fast Charge，Turbo Rotary Volume & 2 Audio Modes (Soft/Bright)，Durable ABS Shell (silver-one)
Britzgo 1301 Personal Sound Support BTE，40H Long-Lasting Battery，Type-C Fast Charge，Turbo Rotary Volume & 2 Audio Modes (Soft/Bright)，Durable ABS Shell (silver-two)
Zingle Rechargeable Hearing Amplifier Aid Digital Personal Sound PSAP BTE TV
