new Popular chip CSR bluetooth earphone for phone

Item: SN-BT0017
Style: In-Ear
Communication: Wireless
Connectors: USB
Use: smart Phone
Function: Bluetooth, Microphone
Color: any
Bluetooth Version: V4.0
Bluetooth chip: Buildglory/airoha/CSR
Material: ABS+PVC
Charging time: 2.5 Hours
Talk time: 3-4h
Standby time: 150 Hours
Certificate: CE RoHs FCC reach
Bluetooth Profiles:
HFP /HSP/A2DP/AVRCP
Feature: stereo sound
Warranty: 1 year