Specification of factory promotion earphones
Bluetooth version: Bluetooth V4.0 3.0
Effective range: 10 meter
Music time: Up to 6 hours
Talk time: Up to 6 hours
Standby time: up to 250 hours
Input: DC: 5V/130mA
Charging time: 1-3 hours
Microphone: build-in.
Rechargable: USB mini 5 pin cable
Bluetooth version: the latest version A2DP1. 2 and AVRCP1.0
Wireless receiving: bluetooth headset and hands free mode (HFP) 1.5