... talk time * heavy bass, the first choice for music fans •Bluetooth :V1.2 Class 2 •Distance coverage :Up to 10 meters ... •Support profile :Bluetooth headset, Bluetooth handsfree, A2DP,and AVRCP. •Music listen time :6 hours ... to +55°C The stylish and generous HI-FI TONE bluetooth stereo headphones The stylish and generous HI-FI TONE ...