1 year warranty
Compatibility: all smartphones (Android + iOS) and PCs
USB interface: USB Type-C
Executive Standard: Q/HDLCS 00332016
Bluetooth version: V5.0
Effective distance: ≥ 10 m.
Speaker diameter: 10 mm.
Speaker power: 20 mW x 2.
Signal-to-noise ratio: ≥70dB
Distortion: ≤ 5%.
Frequency response: 20 Hz - 20 kHz.
Input voltage of the charging compartment: 5 V, 500 mA.
Playing time: approx. 3 hours.
Headphone battery capacity: 40 mAh.
Charging capacity of the battery: 300 mAh.
Manufacturer: Lenovo (Beijing) Co., Ltd. Made in China
Earbuds x 2.
Earpieces x 2.
1 x charging cable.
1 x charging case.
1 x user manual (English language not guaranteed).
1 x user manual (English + Chinese).