STUFFCOOL DIZZYBTH-SGRY Bluetooth  (Grey, In the Ear)

Bluetooth version : 4.1 stereo headphone, Transmission power : class 2 Standard micro USB charging connector support models: HSP/HFP/A2DP/AVRCP 60mAh rechargeable battery, Two bluetooth devices supported In-ear design that blocks outside noise, Built-in microphone for phone calls/Handsfree use Charging time : 2 hours, Play time : 3.5 hours, Talk time : 4 hours, Standby time : 150 hours Smart Magnetic Play/Pause : When the ear buds are attached, the call Ends or the music stops playing & When the ear buds are detached one can answer the call or Listen to music