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Model | BTR5 | BTR3K | BTR3 | BTR1 | BTR1K | μBTR |
Volume Adjustment | 60 Steps Independent adjustment | 32 Steps Independent adjustment | 32 Steps Independent adjustment | Independent adjustment for some phones but simultaneously for iPhone and some other phone | 32 Steps Independent adjustment | 16 Steps Independent adjustment |
Bluetooth Profile | A2DP,AVRCP,HFP,HSP | A2DP,AVRCP,HFP,HSP | A2DP,AVRCP,HFP,HSP | A2DP,AVRCP,HFP,HSP | A2DP,AVRCP,HFP,HSP | A2DP,AVRCP,HFP,HSP |
Supported Audio Formats | SBC,AAC,aptX, aptX Low Latency, aptX HD, LDAC, |
SBC,AAC,aptX, aptX Low Latency, aptX HD, LDAC, |
SBC,AAC,aptX, aptX Low Latency, aptX HD, LDAC, LHDC |
SBC、AAC、aptX, aptX Low Latency | SBC、AAC、aptX, aptX Low Latency | SBC、AAC、aptX |
Bluetooth Version | 5.0 | 5.0 | 4.2 | 4.2 | 5.0 | 4.1 |
Bluetooth Chip | CSR8675 | CSR8675 | CSR8675 | CSRA64215 | QCC3005 | CSR8645 |
DAC Chip | ES9218P×2 | AK4377Ax2 | AK4376A | AK4376A | AK4376A | / |
Amp Chip | TPA6132A2 | |||||
USB DAC Chip | Xmos Xuf208 | Comes With CSR8675 | Comes With CSR8675 | / | Comes With QCC3005 | / |
USB DAC Sample Rate | 384k/32bit DSD 256 |
48K/16bit | 48K/16bit | / | 48K/16bit | / |
Dedicated Pairing Button | √ | √ | √ | / | √ | / |
Dedicated Volume Button | √ | √ | √ | √ | √ | √ |
Transmission Distance (at open area) | About 10m | About 10m | About 10m | About 10m | About 10m | About 10m |
Status Indicator Light&Display | 0.49 inch monochrome OLED Display battery, volume, Bluetooth codes,Menu setting items and adjustments |
RGB light indicates the input Bluetooth audio codec, charging and working status Blue SBC, Cyan AAC, Purple aptX/aptX LL, Yellow aptXHD, White LDAC/DAC |
RGB light indicates the input Bluetooth audio codec, charging and working status Blue SBC, Cyan AAC, Purple aptX/aptX LL, Yellow aptXHD, White LDAC/DAC, Green LHDC |
LED light indicates sound effect, charging and working status |
RGB light indicates the input Bluetooth audio codec, charging and working status Blue SBC, Cyan AAC, Purple aptX/aptX LL, White USB DAC |
LED light indicates charging and working status |
APP Control | √ | √ | √ | / | / | / |
Call up Siri in iOS | √ | √ | √ | / | √ | √ |
NFC | √ | / | √ | / | √ | √ |
Hands-free Call / Mic | √ | √ | √ | √ | √ | √ |
In-Line Remote Control | CTIA mic and In-Line Remote Control | CTIA mic and In-Line Remote Control | / | / | / | / |
3.5mm Headphone Output@32Ω | 80mW | 25mW | 25mW | 25mW | 25mW | 10mW |
2.5mm Balanced Output@32Ω | 240mW | 78mW | / | / | / | / |
SNR((A-weighted) | 122dB | 122dB | 120dB | 118dB | 95dB | |
USB Port | Type C | TypeC | Type C | Micro USB | Type C | Type C |
Battery Life | 550mAh | 330mAh | 300mAh | 205mAh | 205mAh | 120mAh |
Battery Life(AAC) | 9h | 11h | 11h | 8h | 8h | 8-9h |
Charging Time | 1.5h | 1.5h | 1.5h | 2h | 1.5h | 1h |
Dimensions | 72×32×11.1mm (excl. back clip) | 58×25×11mm (excl. back clip) | 58×25×10.4mm (excl. back clip) | 24×50×11.6mm (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 + Lanyard | Back clip + Lanyard | Back clip + Lanyard | Back clip |
Weight | 43.7g | 23.5g(excl. back clip) | 25g | 20.5g | 20.5g | 12.5g |