Key features:
Bluetooth Version: 5.3
Transmission Distance: ~10 meters (33 feet) barrier-free
Waterproof Rating: IPX5 (nano-coating for sweat/rain protection)
Battery Life (Earbuds): ~4 hours of playtime
Battery Life (With Case): Up to 24 hours total
_Charging Time: 1.5 hours (earbuds)
_Charging Interface: USB-C
Driver Type: Dynamic Driver
Frequency Range: 20 Hz - 20,000 Hz
Features & Design:
Transformable Case:The charging case can be rotated and transformed for, fun, and portability.
Design: In-ear "invisible" or "small ear" design.
Controls: Smart touch sensors for managing music and calls.
Noise Control: Passive noise reduction.
Color Options:Available in pink, black, and white.
Material:High-gloss ABS plastic and silicone ear tips.
Package Contents:
1 pair of K520 earbuds
1 Transformable charging case
1 USB-C charging cable
User manual
