... 2.1+EDR , with 3.5mm stereo plug , talking time up to 7 hours delivery ... of home audio systems.Features:1. The bluetooth stereo receiver supports A2DP, AVRCP, Headset Profile, and ... 5 DC wired headset into a wireless bluetooth stereo headset.6. The bluetooth receiver comes with wide compatibility ... .Weight: 17g6.Standby time: 140 hours7.Talk time: 6 hours8.Charge hour: less than 3 hours9.Power supply ...