Features:
BT5.1 chip provides fast and stable connection, low power consumption and low latency, strong anti-interference ability.
Ergonomic design, adopt skin-friendly silicone material, not easy to drop, comfortable to wear.
180° rotating design, suitable for left and right ears.
Built-in sensitive microphone, combined with intelligent noise reduction technology, to provide clear calls without delay.
Widely compatible with BT-enabled smart phones, tablets, laptops, etc.

Specification:
Color: Black&Gold/Black&Silver(optional)
BT version: V5.1+EDR
Transmission distance: About 10 meters
Wireless frequency: 2.402GHz~2.480GHz
Supported protocol: A2DP/AVRCP/HFP/HSP
Battery capacity: 300mAh
Charging time: About 1-2 hours
Charging voltage/current: 5V±0.25V/1A
Item size: 7 * 4.4 * 2.2cm /2.76 * 1.73 * 0.87in
Item weight: Approx. 18g /0.63oz

Packing list:
1 * BT headphone
1 * Wired headphone
1 * Charging cable
2 * Paris of earplugs
1 * User manual