BT1638 Bluetooth 5.4 Headphones With Long Playtime

Experience all-day listening with BT1638 Bluetooth 5.4 Headphones, designed for you to enjoy long endurance, reliable wireless performance, and crystal-clear calls.

• You’ll get up to 40 hours of playback on a single charge from the 400 mAh battery, so you can go days without recharging.
• Bluetooth 5.4 plus a wired option and 40 mm dynamic drivers deliver steady connectivity and punchy, detailed sound for your favorite genres.
• Enjoy hands-free calls with the built-in microphone and easy on-device volume control for quick adjustments on the go.
• Preload playlists with memory-card support for offline listening, so you can switch modes easily, and benefit from FCC-certified design with a responsive 32 Ω impedance that works with most phones and computers.