Wireless in-ear headphones Bluedio Hi True Bluetooth 5.0

Wireless in-ear headphones Bluedio Hi True Bluetooth 5.0.

Features:
Built with BT5.0, it offers high data transfer speed, a stable connection and low power consumption.
Wireless dual-earbud design, with separate left and right ear channels. You can use a single earbud or use them as a pair.
A 55mAh battery in each earbud provides about 5-6 hours of operation. Charged automatically in the 600mAh charging case.
Light and portable, easy to store; Widely compatible with all Android and IOS phones and other audio devices supporting BT.
Built-in touch sensor chip intelligently detects the wearing state; take the headset out and the music pauses automatically and resumes when you put the headset back on.

Specifications:

Brand name: Bluedio.
BT version: V5.0.
Transmission distance: 10 m.
Frequency range: 20-20000Hz.
Impedance: 27Ω.
Sensitivity: 100dB ± 3.
Earbud battery: 55 mAh.
Charging case battery: 600 mAh.
Charging time: about 1 hour.
Earphone element size: 48 * 22.6 mm.
Charging case size: 67.5 * 60 * 37 mm.
Package size: 8.5 * 7 * 4.5 cm.
Package weight: 88g.
Color: black.
Used product.
No user manual.

The set includes:

1 x Wireless in-ear headphones Bluedio Hi True Bluetooth 5.0.

Used product.
The item has been checked and tested, fully functional, practically like new.
No packaging.
No manual.