Buy now


Model Name/Number μBTR Color Available White、Black
Weight About 13 g (incl. battery) Dimensions About  55*19*9.1mm (exclusive of back clip)
Audio Input Bluetooth connection (Bluetooth 4.1 supported) Bluetooth Codec Supporting SBC, aptX, AAC
NFC Supported MIC Function Supported
Headphone Output 3.5 mm stereo jack USB Port Type C USB
Volume Control Side buttons Charging Indication Yes (Red light flashes when powered off and goes off after charging completed)
Charging Time ≤1 h(DC 5V 500mA) Power Input Recommend DC5V, 500mA
Battery Capacity 120 mAh Drive Ability 16, 32 Ω (recommended)
Output Power ≥20mW (16 Ω/THD<1%)
≥ 10mW(32Ω/THD<1%)
Frequency Response 20~20kHz(aptX connection)
THD+N <0.05%(1 kHz, aptX connection) Output Impedance <0.3 Ω(32Ω loaded)
SNR ≥95dB (A-weighted) Crosstalk ≥ 78 dB(32Ω loaded)
Bluetooth Chip CSR8645 Accessories Type C USB charging cable*1, Quick Start Guide*1, Warranty Card*1
Battery Life & Test  Conditions (The test result is based on specified test conditions and just for referrence)
Battery Life About 9 h (tested with iPhone) Bluetooth Transmitter iPohne (AAC)
Connected Headphones M3 open earbuds (27 Ω) Volume The volume on iPhone is set to maximum;
the volume on uBTR is set to minimum firstly, then press volume "+" button 5 times.
Test file MP3 file (Click here to download)