Model
|
BTR3
|
BTR1
|
μBTR
|
Volume Adjustment
|
Independent adjustment separating
from phone's volume
|
Independent adjustment for some phones
but simultaneously for iPhone and some other phones
|
Independent adjustment separating
from phone's volume
|
Supported Audio Formats
|
SBC, AAC, aptX, aptX LL,
aptX HD, LDAC and LHDC
|
SBC, AAC, aptX and aptX Low Latency |
SBC, AAC and aptX |
Bluetooth Profile
|
HFP, HSP, A2DP and AVRCP |
HFP, HSP, A2DP and AVRCP |
HFP, HSP, A2DP and AVRCP |
Bluetooth Chip
|
CSR8675 |
CSRA64215 |
CSR8645 |
DAC Chip
|
AK4376A |
AK4376A |
/ |
Amp Chip
|
TPA6132A2 |
USB DAC
|
√ |
/ |
/ |
Dedicated Pairing Button
|
√ |
/ |
/ |
Dedicated Volume Button
|
√ |
√ |
√ |
Transmission Distance (at open area)
|
About 10m / LDAC (4m at SQ first) |
About 10m |
About 10m |
Status Indicator Light
|
RGB light indicates the input Bluetooth audio codec,
charging and working status
|
LED light indicates sound effect,
charging and working status
|
LED light indicates
charging and working status
|
Hands-free Call / Mic
|
√ |
√ |
√ |
Call up Siri in iOS
|
√ |
/ |
√ |
NFC
|
√ |
/ |
√ |
Headphone Output
|
3.5mm stereo jack |
3.5mm stereo jack |
3.5mm stereo jack |
USB Port
|
Type C |
Micro USB |
Type C |
Battery Capacity
|
300mAh |
205mAh |
120mAh |
Battery Life
|
About 11h |
About 8h |
About 8-9h |
Charging Time
|
1.5h |
2h |
1h |
Dimensions
|
58*25*10.4mm (excl. back clip) |
24*50*11.6mm (excl. back clip) |
55*19*9.1mm (excl. back clip) |
Wearing
|
Back clip + Lanyard |
Back clip + Lanyard |
Back clip |
Weight
|
25g |
20.5g |
12.5g |