Features:
BT and AUX IN are supported: With high data transmission speed, stable connection and low power consumption.
Built-in microphone:  Respond to calling easily when you play games.
Headwear design: Comfortable earmuffs makes long wear without pain.
The headset is adjustable: It is suitable for people with different head shapes.
Can be folded: Easy to carry and storage.
Leather ear cups: Make no pains with long time wearing.

Specifications:
Name: OY712
The main chip: AC6925F
BT version: BT5.0, compatible with BT4.2, BR/EDR
The BT range: 15 meters
Compatibility protocol: A2DP/AVRCP/HSP/HFP
Battery capacity: 300mAh
Charging time: 1 hour ~3 hours
Playing time: 4~8 hours
Sensitivity: 108 db + 3 db
Frequency response range: 20~20 KHZ
Material: ABS
Package Weight: 310/10.93ozs
Package Size: 20 * 19.2 * 9cm/ 7.87 * 7.5 * 3.54cm

Package List:
1 * Headphone
1 * Instruction (English and Chinese)
1 * Charging cable 
1 * 3.5mm Headphone cable