Two earbuds The first is right, rechargeable. The second is left, battery-powered. Right rechargeable earbud The Phonak Naída L30-BR medical earbud (from the Naída Lumity family) is one of the solutions designed for mild to severe hearing loss. It belongs to the basic performance level (Essential / L30) within Phonak's modern Lumity platform. Key specifications and features: * Designed for mild to severe hearing loss (depends on the specific behind-the-ear BTE model). * Equipped with SmartSpeech Technology and AutoSense OS 5.0 system to improve speech clarity. [1] * Performance Level: L30 category, which is the Essential category in the Naída Lumity family. * Rechargeable battery. * Connectivity: Supports Universal Bluetooth technology for direct connection with smartphones and various devices, and compatibility with the myPhonak app. * Resistance to external factors: Has an IP68 rating for water and dust resistance. Left battery-powered earbud The Phonak Naída L30-UP medical earbud (from the Lumity category) is a behind-the-ear (BTE) earbud designed for severe to profound hearing loss. Key specifications and features: * Category and Performance: Belongs to the basic performance level (Essential / L30) within the Naída Lumity family. * Usage Type: Worn behind the ear and operates with a size 675 zinc-air battery. * Sound Technology: Equipped with SmartSpeech technology and AutoSense OS 5.0 operating system to improve speech comprehension. * Connectivity: Supports Universal Bluetooth technology for direct connection to smartphones and devices, and hands-free calling. * Resistance to external factors: Has an IP68 rating against water and dust. * Applications and Accessories: Compatible with the myPhonak phone app and Roger wireless microphones for improved clarity in noisy environments.