| The Comparison Table for Bluetooth Amplifiers |
| 型号 |
BTR3 |
BTR1 |
BTR1K |
μBTR |
| 自动体积调整 |
Independent adjustment separating from phone's volume |
适用于某些手机的独立调整,但同时适用于iPhone和其他一些手机 |
Independent adjustment separating from phone's volume |
Independent adjustment separating from phone's volume |
| 支持音频格式 |
SBC、AAC、aptX、aptX LL、aptX HD、LDAC和LHDC |
SBC、AAC、aptX和aptX LL |
SBC、AAC、aptX和aptX LL |
SBC, AAC and aptX |
| 蓝牙配置文件: / |
HFP、HSP、A2DP和AVRCP |
HFP、HSP、A2DP和AVRCP |
HFP、HSP、A2DP和AVRCP |
HFP、HSP、A2DP和AVRCP |
| 【蓝牙芯片. |
CSR8675 |
CSRA64215 |
QCC3005 |
CSR8645 |
| DAC芯片 |
AK4376A |
AK4376A |
AK4376A |
/ |
| AMP芯片 |
TPA6132A2 |
| USB DAC |
√ |
/ |
√ |
/ |
| 专用配对按钮 |
√ |
/ |
√ |
/ |
| 专用音量按钮 |
√ |
√ |
√ |
√ |
| 传输距离(在开阔区域) |
About 10m / LDAC (4m at SQ first) |
About 10m |
About 10m |
About 10m |
| 状态指示灯 |
RGB指示灯指示输入蓝牙音频编解码器、充电和工作状态 |
LED灯指示音效、充电和工作状态 |
SBC :蓝光闪烁 AAC :青光闪烁 aptX/aptX LL :紫光闪烁
USB DAC: White light flashing |
LED light indicates charging and working status |
| 免提通话/麦克风 |
√ |
√ |
√ |
√ |
| 在iOS中呼叫Siri |
√ |
/ |
√ |
√ |
| NFC |
√ |
/ |
√ |
√ |
| 耳机输出 |
3.5mm立体声接口 |
3.5mm立体声接口 |
3.5mm立体声接口 |
3.5mm立体声接口 |
| USB端口 |
Type-C |
Micro USB |
Type-C |
Type-C |
| 电池容量技术 |
300mAh |
205mAh |
205mAh |
120mAh |
| 电池续航能力 |
约11小时 |
约8小时 |
约8小时 |
About 8-9h |
| 充电时间 |
1.5h |
2h |
1.5h |
1h |
| 尺寸 |
58 * 25 * 10.4mm (不含背夹) |
24 * 50 * 11.6mm (不含背夹) |
24 * 50 * 11.6mm (不含背夹) |
55*19*9.1mm (excl. back clip) |
| 穿戴 |
背夹+挂绳 |
背夹+挂绳 |
背夹+挂绳 |
Back clip |
| 重量 |
25g |
20.5g |
20.5g |
12.5g |