1More ComfoBuds 2 TWS Earbuds (ES303) Features & Specifications 

Key Features:

• Lightweight & Ergonomic Design: Semi in-ear style, ultra-light at 4.3g for maximum comfort.
• Thumping Bass: 13.4mm dynamic driver for powerful, immersive sound.
• Customized Sound: 12 EQ presets by Luca Bignardi with Sonar works for tailored audio experiences.
• Stable Bluetooth 5.2 Connectivity: Instant pairing and smooth, reliable connection.
• Long Battery Life: Up to 6 hours on a single charge + 18 additional hours with the charging case. A quick 15-minute charge provides 3 extra hours.

Specifications:

• Bluetooth Version: Bluetooth® 5.2
• Bluetooth Range: 10m (open space)
• Bluetooth Protocols: HFP / A2DP / AVRCP
• Speaker Impedance: 28 Ω
• Earbud Battery Capacity: 43mAh (each)
• Case Battery Capacity: 410mAh
• Charging Time: Earbuds: Approx. 40 minutes | Charging Case: Approx. 80 minutes
• Playtime: Earbuds Fully Charged: Up to 6 hours | Case and Earbuds Fully Charged: Up to 24 hours
• Input: 5V 1A
• Operating Temperature: 0°C ~ 45°C
• Frequency Range: 2.400 GHz ~ 2.4835 GHz