elichai2@Lenovo-G510:~$ lsmod | grep "bluetooth"
bluetooth             446190  11 bnep,btusb,rfcomm
6lowpan_iphc           18702  1 bluetooth

elichai2@Lenovo-G510:~$ dmesg | grep 0cf3
[    5.332577] usb 3-7: New USB device found, idVendor=0cf3, idProduct=3004

elichai2@Lenovo-G510:~$ lsusb
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 003 Device 003: ID 0cf3:3004 Atheros Communications, Inc.
Bus 003 Device 002: ID 174f:114f Syntek
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
elichai2@Lenovo-G510:~$ hciconfig

elichai2@Lenovo-G510:~$ rfkill list
0: ideapad_wlan: Wireless LAN
        Soft blocked: no
        Hard blocked: no
1: ideapad_bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: no
2: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no

elichai2@Lenovo-G510:~$ cat /var/lib/bluetooth/B8\:EE\:65\:61\:94\:64/did
00:13:7B:49:CA:07 FFFF 0000 0000 0000

elichai2@Lenovo-G510:~$ cat /etc/bluetooth/main.conf
[General]

# List of plugins that should not be loaded on bluetoothd startup
#DisablePlugins = network,input

# Default adaper name
# %h - substituted for hostname
# %d - substituted for adapter id
Name = %h-%d

# Default device class. Only the major and minor device class bits are
# considered.
Class = 0x000100

# How long to stay in discoverable mode before going back to non-discoverable
# The value is in seconds. Default is 180, i.e. 3 minutes.
# 0 = disable timer, i.e. stay discoverable forever
DiscoverableTimeout = 0

# How long to stay in pairable mode before going back to non-discoverable
# The value is in seconds. Default is 0.
# 0 = disable timer, i.e. stay pairable forever
PairableTimeout = 0

# Use some other page timeout than the controller default one
# which is 16384 (10 seconds).
PageTimeout = 8192

# Automatic connection for bonded devices driven by platform/user events.
# If a platform plugin uses this mechanism, automatic connections will be
# enabled during the interval defined below. Initially, this feature
# intends to be used to establish connections to ATT channels.
AutoConnectTimeout = 60

# What value should be assumed for the adapter Powered property when
# SetProperty(Powered, ...) hasn't been called yet. Defaults to true
InitiallyPowered = true

# Remember the previously stored Powered state when initializing adapters
RememberPowered = true

# Use vendor id source (assigner), vendor, product and version information for
# DID profile support. The values are separated by ":" and assigner, VID, PID
# and version.
# Possible vendor id source values: bluetooth, usb (defaults to usb)
#DeviceID = bluetooth:1234:5678:abcd

# Do reverse service discovery for previously unknown devices that connect to
# us. This option is really only needed for qualification since the BITE tester
# doesn't like us doing reverse SDP for some test cases (though there could in
# theory be other useful purposes for this too). Defaults to true.
ReverseServiceDiscovery = true

# Enable name resolving after inquiry. Set it to 'false' if you don't need
# remote devices name and want shorter discovery cycle. Defaults to 'true'.
NameResolving = true

# Enable runtime persistency of debug link keys. Default is false which
# makes debug link keys valid only for the duration of the connection
# that they were created for.
DebugKeys = false

# Enable the GATT functionality. Default is false
EnableGatt = false


elichai2@Lenovo-G510:~$ sudo bluetoothd -n -d
bluetoothd[22348]: Bluetooth daemon 4.101
bluetoothd[22348]: src/main.c:parse_config() parsing main.conf
bluetoothd[22348]: src/main.c:parse_config() discovto=0
bluetoothd[22348]: src/main.c:parse_config() pairto=0
bluetoothd[22348]: src/main.c:parse_config() pageto=8192
bluetoothd[22348]: src/main.c:parse_config() auto_to=60
bluetoothd[22348]: src/main.c:parse_config() name=%h-%d
bluetoothd[22348]: src/main.c:parse_config() class=0x000100
bluetoothd[22348]: src/main.c:parse_config() Key file does not have key 'DeviceID'
D-Bus setup failed: Name already in use
bluetoothd[22348]: Unable to get on D-Bus