• Brand – soundcore (Anker)
• Type – Open-Ear Hook (Open Comfort)
• Model – A3878
• Drivers – 16 × 13 mm Drivers
• Ear Hooks – Adjustable (4 Positions)
• Bass – 5.5 mm Closer + Up to 7.5 dB Deeper Bass
• Acoustic Chamber – Hourglass-Shaped Chamber (Punchier Bass)
• Calls – 4 Mics with AI (Clear Calls)
• Water & Dust Resistance – IP55 + SweatGuard
• Bluetooth – 5.4
• Multipoint Connection – Yes
• Controls – Touch Control
• EQ – 22 EQ Presets + Customizable Settings
• Weight – 10.1 g
• Battery – 6 h (Earbuds) / 21 h (With Case)
• Fast Charging – 10 mins = 1.5 h
• Case Design – Magnetic Lid-Free Case + Light Bar