• 【Comfortable Semi-In-Ear Design】The ergonomic 90° angled design fits naturally against the ear without extending deep into the ear canal, reducing pressure for comfortable daily wear.
• 【Lightweight and Secure Fit】The semi-in-ear structure follows the natural contours of the ear, providing a comfortable fit for extended listening during work, travel, or relaxation.
• 【Independent Earbud Use】The left and right earbuds can be used separately or together, offering flexible listening options for phone calls, music, and everyday activities.
• 【Automatic Pairing Upon Opening】Simply open the charging case to initiate automatic connection with a previously paired device, making the earbuds convenient to use whenever needed.
• 【Convenient Charging Case】The compact charging case keeps both earbuds organized and protected when not in use, making them easy to store, carry, and access throughout the day.

Specifications:

• Bluetooth-compatible chip: JL
• Bluetooth-compatible version: V5.2
• Pairing name: Pro4
• Bluetooth Profile: HSP, HFP, A2DP, AVRCPSPP.CVC
• RF carrier frequency: 2402MHz-2480MHz
• Bluetooth-compatible receiving distance: straight line without obstacles ≥10 meters
• Input voltage: DC5V (charger output current must be greater than 500mA, and please fully charge the battery when using it for the first time)
• Single headset battery capacity: 50mAh
• Charging compartment battery capacity: 300mAh