It has such info: [MDR-XB650BT]# info 00:18:09:C5:44:1E Device 00:18:09:C5:44:1E Name: MDR-XB650BT Alias: MDR-XB650BT Class: 0x240404 Icon: audio-card Paired: yes Trusted: yes Blocked: no Connected: yes LegacyPairing: no UUID: Headset (00001108-0000-1000-8000-00805f9b34fb) UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb) UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb) UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb) UUID: Handsfree (0000111e-0000-1000-8000-00805f9b34fb) PS. Luiz, sorry for the direct copy! ср, 23 янв. 2019 г. в 20:04, Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx>: > > Hi Grigory, > On Wed, Jan 23, 2019 at 6:22 PM Grigory Fateyev <gfborn@xxxxxxxxx> wrote: > > > > Hello! > > > > I have a bluetooth headset Sony MDR-XB650BT. > > > > # hcitool info 00:18:09:C5:44:1E > > Requesting information ... > > BD Address: 00:18:09:C5:44:1E > > OUI Company: CRESYN (00-18-09) > > Device Name: MDR-XB650BT > > LMP Version: 4.0 (0x6) LMP Subversion: 0x2576 > > Manufacturer: Cambridge Silicon Radio (10) > > Features page 0: 0xff 0xff 0x8f 0xfe 0x9b 0xff 0x59 0x87 > > <3-slot packets> <5-slot packets> <encryption> <slot offset> > > <timing accuracy> <role switch> <hold mode> <sniff mode> > > <park state> <RSSI> <channel quality> <SCO link> <HV2 packets> > > <HV3 packets> <u-law log> <A-law log> <CVSD> <paging scheme> > > <power control> <transparent SCO> <broadcast encrypt> > > <EDR ACL 2 Mbps> <EDR ACL 3 Mbps> <enhanced iscan> > > <interlaced iscan> <interlaced pscan> <inquiry with RSSI> > > <extended SCO> <EV4 packets> <EV5 packets> <AFH cap. slave> > > <AFH class. slave> <3-slot EDR ACL> <5-slot EDR ACL> > > <sniff subrating> <pause encryption> <AFH cap. master> > > <AFH class. master> <EDR eSCO 2 Mbps> <EDR eSCO 3 Mbps> > > <3-slot EDR eSCO> <extended inquiry> <simple pairing> > > <encapsulated PDU> <non-flush flag> <LSTO> <inquiry TX power> > > <EPC> <extended features> > > Features page 1: 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x00 > > > > I'd like to get the energy level at least in shell. In which direction > > I should look for? How to know if my device has GATT support? If it > > connected with Android smartphone, where Android version is < 6.0, it > > has an icon with level in percents. I want to get the same on my linux > > machine. > > bluetoothd should be able to detect if there is a battery service, > well at least if you are connect over LE, note that in past there > exists ways to fetch the battery level of AVRCP and HFP via AT > commands, so perhaps Android is using one of those, btw you should be > able to see what bluetoothd has discover with: > > bluetoothctl> info <bdaddr> > > > Thank you! > > > > -- > > Grigory > > > > -- > Luiz Augusto von Dentz -- Grigory
