Features XO-BE39 adjustable Bluetooth over-ear headphones, perfect for music, podcasts, gaming, or streaming films and TV. Adjustable head band and cushioned padding provides accommodating comfort while maintaining a sleek and stylish design. Connect to your phone or other device via Bluetooth for an HD listening experience, free of wires that tangle, pull, and get in the way. Ideal for listening on-the-go. Specifications Model: XO-BE39 Speakers: F40mm speaker, power 20mw, impedance 32O, HD Built-in battery: Li-Ion 3.7V, headset battery 200mAh Use time: Up to 20 hours Charging input: USB-C / 5V 1A Charging time: ~2 hours
