Features: Hearing Aids Headphones support Wireless talking for senior and adults Type C charging model, about 2 hours charging and comfortable to wear No need for adjustment; Double noise reduction for seamlessly communication For the elderly; No muffling, no clogging, no echoes . 3 milliseconds response Hearing Aids and communication without delay, talk for long time without getting tired of listening. Specifications: Item: Hearing Aids Headphones Compartment Size: about 51.4x57x24.6mm/2.02x2.24x0.97in Headset Size: about: 36.2x24.2x23.1mm/1.43x0.95x0.91in Color：White/Green Component:ABS Connction: Wireless Charging Time： 2H Charging Connection：Type C Output Sound Pressure Level：118DB+3DB Package Includes: 1PC Hearing Aids Headphones note: Due to the problem of lighting effects there is certain tolerances in product, please understand. Please allow 0-1cm error due to the measurement.