1\ V4.1 Bluetooth, fully compatible with bluetooth-enabled devices,
high performance of anti-interference,up to 10m working range.
2\ The adjustable sturdy and soft headband and Aluminum Scalable design,
can suit difference head shape.
3\ Double 40mm dynamic speaker guarantees high fidelity and Stereo CD sound effect;
Perfectly meets different needs of music enjoyment.
4\ Bluetooth Multipoint Connection ，support one headset to pair with dual devices at the same time.
5\ More functions:Handsfree answer/end calls
6\ Support 3.5mm audio input
Bluetooth version: V4.1
RF Range：10M (without obstacles )
Charging means: Micro USB
Battery: Rechargeable 200mAH Li-polymer battery
Frequency Response 20Hz ～20,000Hz
Profiles supported : A2DP,AVRCP,HFP,HSP
Talk time: up to 10 hours
Playing time: up to 10 hours
Standby time: up to 200 hours
Charging time：about 1.5 hours