 
     
      
      
      
    Color IPS display
High-performance DAC ES9219C*2
THX AAA-28*2 amps Wired+Wireless charging support 3.5+4.4mm outputs
One-click “dongle” mode Qualcomm QCC5124 Bluetooth chip
XMOS XUF208
Supports app control and OTA upgrade
| Specifications | |
|---|---|
| Model | BTR7 | 
| Weight | About 68g | 
| Audio Input | Bluetooth connection (Bluetooth 5.1supported) | 
| Color Available | Black | 
| Dimensions | About 39.6x83.6x14.6mm | 
| Supported Audio Format(s) | AAC/SBC/aptX/aptX LL/aptX adaptive/aptX HD/LDAC | 
| Driver-free mode(Switch mode | Supported | 
| NFC | / | 
| Single-ended Headphone Output | 3.5 mm stereo port | 
| Balanced Headphone Output | 4.4mm port | 
| Channel Balance | ≤0.2 dB | 
| Volume Control | Side buttons | 
| APP interconnection | Supports setting through App | 
| Charging Time | Wired charging time: ≤1.5 hours Wireless charging time: ≤3 hours | 
| Battery Capacity | 880 mAh | 
| Output Power | PO about 165mW(16Ω loaded PO about 160mW(32Ω loaded) PO about 18mW(300Ω loaded BAL about 235mW(16Ω loaded BAL about 320mW(32Ω loaded BAL about 40mW(300Ω loaded) | 
| THD+N | <0.00055%(1kHz/-6dB@32Ω) <0.00048%(1kHz/-2dB@32Ω) | 
| Noise Floor | PO<3uV(dbA) BAL<5.5uV(dbA) | 
| SNR | PO≥≥118dB (dbA)(32Ω dbA) BAL≥115dB (dbA)(32Ω dbA) | 
| Sampling Rate Supported Up to | 384kHz/32bit(USB DAC) | 
| Hardware scheme | DAC: ES9219C *2,USB: XMOS XU208 AMP:THX_AAA_28*2 | 
| In-vehicle mode | Supported | 
| Mic Function | Yes(Only supports voice calls under Bluetooth mode. Built-in omnidirectional microphone. Only supports the microphone of the CTIA standard headphones.) | 
| USB Port | TYPE C (USB2.0) | 
| Recommended headphone impedance | 16~100Ω(PO) 16~150Ω(BAL) | 
| Gain | Supported(High/Low) | 
| Status indication | Codec, charging status, battery level, volume, sampling rate, menu | 
| Bluetooth Codes Display | Supported | 
| Power Input | Recommend DC 5V 2A | 
| Frequency Response | PO  20Hz~50kHz:±<0.5dB PO 20Hz~20KHz:±<0.1dB BAL 20Hz~50kHz:±<0.5dB BAL 20Hz~20KHz:±<0.1dB | 
| Output Impedance | PO≤<1.2Ω(32Ω loaded) BAL<2.8Ω(32Ω loaded) | 
| Amplitude | PO:2.3Vrms BAL: 3.2Vrms | 
| Crosstalk | PO≥75dB BAL≥107dB | 
| DSD Support (USB IN) | 384KHz 32bit/ DSD256 | 
| Accessories | Standard version: Type-C USB cable*1, Type-C to Type-C data cable*1, Leather case*1, Manual*1, Warranty card*1 Apple Deluxe Edition: Charging cable, back clip, manual, USB Type-C to Type-C silicone cable, Lightning to USB Type-C cable |