This lightweight behind-the-ear sound amplifier set includes two devices and a dedicated charging dock. It is designed for daily auxiliary sound pickup, helping users capture surrounding voices, conversations, and environmental sounds more clearly. The ergonomic over-ear curved frame fits most ear shapes stably without slipping during long-term wear. Built-in rechargeable lithium battery eliminates the need for frequent battery replacement — simply place the units into the charging base to replenish power. Multiple adjustable volume levels adapt to different quiet and noisy daily environments, suitable for seniors and individuals with mild sound perception difficulty. Key Features: Dual-ear design for balanced sound perceptionErgonomic behind-the-ear fit for all-day comfortRechargeable via included charging dock (USB powered)Multiple volume levels for various environmentsMultiple sizes of silicone ear tips included for customized fitHow to Use: Fully charge both amplifiers via the charging base before first use.Select the silicone ear tip that fits your ear canal size and attach it to the sound tube.Hang the device behind your ear and gently insert the ear tip into the ear canal.Rotate the volume button slowly to adjust to a comfortable level.Place units back into the charging dock when power runs low.Important Notes: This product is a daily auxiliary sound pickup amplifier for personal use. It is not a medical hearing aid and is not intended to diagnose, treat, cure, or prevent any hearing loss or ear disease.Do not suddenly set the volume to maximum; excessively loud sound may cause ear discomfort.Discontinue use immediately if ear pain, tinnitus, or allergic reaction occurs.Keep the device and charging base away from water, moisture, and high temperatures.Clean silicone ear tips regularly to maintain hygiene and sound quality.If you have persistent hearing concerns, please consult a professional healthcare provider or otology specialist.Package Contents: 2 x Over-Ear Sound Amplifiers1 x Charging BaseMultiple Sizes Silicone Ear Tips1 x Charging CableNote: Only the sound amplifiers and matching accessories are included. Human model demonstration images shown in the listing are not included.