Bluetooth Version :4.0 bluetooth headphones
Surface mateiral : ROHS ABS
Compatible system : Apple IOS, Android , Windows
Working Distance: 10m (barrier free)
Frequency : 2.40~2.48GHZ
Talking time : More than 5 hours
Standby time : More than 120 days
Charging Time: About 2Hours
Fully compatible with iPad, iPhone, iPod, all smart phones,
support to listen music and all type of bluetooth devices.