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Specifications: Battery Life: Up to 120 hours of playback at 80% volume Charging Time: Fully charged in approximately 3 hours Quick Charge: 10 minutes of charging provides 10 hours of playback Bluetooth Version: 5.1 Bluetooth Protocols: HFP1.7, HSP1.2, A2DP1.3, AVRCP1.6, SPP1.2 Balanced Armature Drivers: Custom-tuned for improved treble, detailed midrange, and better frequency response Magnetic Function: Earbuds can be magnetically held together to prevent tangling Ergonomic Design: Lightweight and comfortable with a perfect fit for the ear canal Cable Length: Adjustable with two rings for a better fit Voice Assistant Support: Compatible with Google Voice Assistant and Siri In-Line Control: Play/pause music, phone call functions, and volume control Built-in Microphone: High-quality microphone for clear calls Compatibility: Works with Android phones, iPhones, and other Bluetooth-enabled devices Weight: Each earbud weighs less than 2g (0.07oz) Colors: Not specifiedNote: The above specifications are based on the information provided in the text. For accurate and detailed specifications, it is recommended to refer to the official product documentation or contact the manufacturer.

• LONG-LASTING BATTERY LIFE: The earbuds are equipped with a built-in 1,000mAh lithium polymer battery, providing an impressive 120 hours of playtime at 80% volume. It takes only three hours to fully charge them using the Type-C charging port. Plus, a quick ten-minute charge from empty gives you 10 hours of playback.
• PLEASANT VIVID SOUND: These earbuds feature a hybrid design with a custom-tuned balanced armature driver for each earbud and a 10mm neodymium diaphragm. This combination delivers powerful and vivid bass along with stereo sound. The aluminum alloy cavity effectively prevents interference with external signals, ensuring a stable audio experience.
• ERGONOMIC DESIGN: The NALACAL Bluetooth in-ear headphones have been optimized to fit comfortably in the ear canal. Weighing less than 5 grams, they are lightweight and suitable for most pinna shapes. The earbuds come with three sizes of L, M, and S soft caps, allowing for a comfortable fit even during extended wear.
• BLUETOOTH 5.1 CONNECTION: With the advanced Bluetooth 5.1 chipset, the NALACAL earbuds offer improved transmission speed and a low latency listening experience. They support various Bluetooth protocols, including HFP1.7, HSP1.2, A2DP1.3, AVRCP1.6, and SPP1.2. Quick pairing takes less than one second.
• EASY TO USE: These Bluetooth earphones are compatible with all Bluetooth-enabled devices, such as Android phones, iOS devices, laptops, and MP3 players. They feature a built-in microphone for clear phone calls and are compatible with Siri and Android voice assistants, providing easy and convenient control options.