In-ear Noise-canceling Bluetooth Earphone

1)Bluetooth version: V3.02)Support profiles: HSP,HFP,A2DP.AVRCP3)Sound Mode: Stereo  chip: Approtech4)Charging time: 1-2 hours5)Standby time: 200 hours6)Talk/Playing time: 6hours/5 hours7)Operating Distance: in 10 meters8)Power Source: Built-in Rechargeable Li-ion Battery 60mah 1)Bluetooth version: V3.02)Support profiles: HSP,HFP,A2DP.AVRCP3)Sound Mode: Stereo  chip: Approtech4)Charging time: 1-2 hours5)Standby time: 200 hours6)Talk/Playing time: 6hours/5 hours7)Operating Distance: in 10meters8)Power Source: Built-in Rechargeable Li-ion Battery 60mah1)Bluetooth version: V4.12)Support profiles: HSP,HFP,AVRCP,A2DP3)Sound Mode: Stereo4)Chip: CSR86355)Charging time:1-2 hours6)Standby time: 200 hours7)Talk/Playing time: 6 hours/5 hours8)Operating Distance: in 10meters9)Power Source: Built-in Rechargeable Li-ion Battery 70mah 1)Bluetooth version: V3.02)Support profiles: HSP,HFP3)Charging time: 1-2 hours4)Standby time: 100hours5)Talk  time:/5 hours6)Operating Distance: 10 meters7)Power Source: Built-in Rechargeable Li-ion Battery 1)Bluetooth version: V4.12)Support profiles: HSP,HFP,A2DP.AVRCP3)Charging time: 1-2 hours4)Standby time: 100hours5)Talk/Playing time: 5 hours/3 hours6)Operating Distance:10 meters7)Power Source: Built-in Rechargeable Li-ion Battery