YUEVE Mini 503 Wireless Type Headset Stereo Earphone

Model:Mini 503
Compatible With:V2.1, V2.0, V1.1
Weight:40g
Function Keys : Volume + -, music playback, pause, previous song, next song
ini 503 Wireless Type Headset Stereo Earphone ,Mini-503 V2.1+ EDR Stereo Behind-the-Neck Headphone - Black + Blue from bangood.
Channel:stereo
Talk :14 hours
Voltage:3.7V
Speaker:Ф30 speaker
Supports all devices,then hang up, reject calls, last number call-back
Version:V3.0 + EDR
Long talk ,all phones universal, Music player with A2DP
Frequency Response Range:20-20KHZ
Frequency Range:2.4G
Battery:Rechargeable Lithium Polymer
Transmission Power:Class2
1 x Mini 503 Headset
Charge / Discharge : IC
Transmission Frequency:2.4GHz
Standby :250 hours
Main Chip:3.0 + EDR
Supported File Formats: A2DP, Headset and Handsfree mode
Average Sensitivity:105DB (AT 1KHZ +3 DB)
Transmission Distance:10
1 x USB