Sports wireless bluetooth headset

Search name: UFO
Bluetooth version: V4.2
MIC Specification: Silicon Wheat 3729
Chip: Smart chip
Channel: Stereo
Voice call: support
Speaker impedance: 160
SPK specifications: Medium 10
Frequency response: 20kHz-20kHz
Battery capacity: 145mAh
Standby time: about 200H
Call duration: about 20H