BTR3

Model  BTR3 Color Available Black
Weight 约26g(含电池) Dimensions About  58×25×10.4mm (不含背夹)
Audio Input 蓝牙连接(支持蓝牙4.2) 支持的音频格式 AAC/SBC/aptX/aptX LL/ aptX HD/LDAC/LHDC
NFC Supported Mic Function Supported
Headphone Output 3.5 mm stereo jack USB Port Type C USB
Volume Control Side buttons Status Indicator Light RGB指示灯显示输入蓝牙音频编码、充电及工作状态
Charging Time ≤1.5 h (DC 5V 500mA) Power Input Recommend DC 5V, 500mA
Battery Capacity 300 mAh Drive Ability 16~100 Ω (recommended)
Output Power About 25mW (32Ω loaded)
About 33mW (16Ω loaded)
Frequency Response

20~20kHz(aptX connection)

20~40kHz(LDAC connection)

*传统振膜通常依赖特定粘合剂将音圈粘合在振膜表面,这不仅增加振膜整体重量,还可能导致动圈运动时的动态失衡。局部重量分布不均会引起振动异常、改变振膜顺性,甚至因音圈擦圈而产生失真,最终影响单元整体表现。 <0.003%(LHDC 1kHz) Output Impedance <0.3 Ω(32Ω loaded)
SNR 120dB (A-weighted) Crosstalk ≥ 75 dB(32Ω loaded)
Bluetooth Chip CSR8675 Accessories Type C USB充电线*1、快速入门指南*1、保修卡*1、挂绳*1
续航时间及测试条件 (测试结果基于指定测试条件,仅供参考)
Battery Life About 11 h  Bluetooth Transmitter iPhone 6P (AAC)
Connected Headphones EM3 open earbuds (27 Ω) Volume With set output at 40mV
Test File MP3 文件(Click here to download)    

Frequency response curve 1

 

测试条件:aptX HD连接,播放-5dB正弦信号,44.1kHz/16bit,32Ω负载

红色曲线:左声道;蓝色曲线:右声道。

Frequency response curve 2

 

测试条件:LHDC连接,播放-5dB正弦信号,192kHz/24bit,32Ω负载

红色曲线:左声道;蓝色曲线:右声道。

Frequency response curve 3

 

测试条件: LDAC连接,播放-5dB正弦信号,192kHz/24bit,32Ω负载

红色曲线:左声道;蓝色曲线:右声道。