Model BTR7 BTR5 2021 BTR5 BTR3 BTR1
Volume Adjustment 60级 / 独立调节 60级 / 独立调节 60级 / 独立调节 32级 / 独立调节 部分手机可独立调节，同时兼容 iPhone 及其他部分手机

MQA Renderer

 √

√

 / / /

Bluetooth Profile

 SBC，AAC，aptX, aptX Low Latency，aptX HD, aptX Adaptive,LDAC SBC, AAC, aptX, aptX LL, aptX HD, LDAC SBC, AAC, aptX, aptX LL, aptX HD, LDAC SBC, AAC, aptX, aptX LL, aptX HD, LDAC and LHDC 内置图片画廊支持多种格式与更高分辨率，无噪点细看照片中的每一处细节。

Supported Audio Formats

 A2DP，AVRCP，HFP，HSP

A2DP，AVRCP，HFP，HSP

 HFP、HSP、A2DP和AVRCP HFP、HSP、A2DP和AVRCP HFP、HSP、A2DP和AVRCP
Bluetooth Version 5.1 5.0 5.0 4.2 4.2
Bluetooth Chip QCC5124 CSR8675 CSR8675 CSR8675 CSRA64215
DAC Chip

ES9219C×2

THX AAA 28 x2

ES9219C×2

 ES9218P×2 AK4376A AK4376A
Amp Chip
USB DAC Chip XMOS XUF208 Xmos XUF208 Xmos XUF208 CSR8675自带 /
USB DAC Format 384KHz 32bit/ DSD256  384k/32bit
DSD 256		 384k/32bit
DSD 256		 48K/16bit /
Dedicated Pairing Button √ √ √ √ /
Dedicated Volume Button √ √ √ √ √
传输距离（开阔区域） About 10m About 10m About 10m About 10m About 10m
Status Indicator & Displayer 1.3-inch IPS display 0.49' 64×32 OLED
电池、格式、音量
Menu setting		 0.49' 64×32 OLED
电池、格式、音量
Menu setting		 RGB指示灯显示输入蓝牙音频编码、充电及工作状态 LED 灯指示音效、充电与工作状态
Line Control CTIA Microphone/Vol/Track CTIA Microphone/Vol/Track CTIA Microphone/Vol/Track / 　
APP Controller √ √ √ √ √
Hands-free Call / Mic √ √ √ √ √
Call up Siri in iOS √ √ √ √ /
NFC / √ √ √ /
3.5mm Headphone Output 160mW 80mW 80mW 25mW 25mW
2.5mm Balanced Output / 240mW 240mW / 　/
4.4mm Balanced Output 320mW / / / /
SNR(A Weight) 117dB 122dB 122dB 120dB 　
USB Port Type C Type C Type C Type C Micro USB
Battery Capacity 880mAh 550mAh 550mAh 300mAh 205mAh
Battery Life(AAC mode) 约9h About 9h About 9h About 11h About 8h
Charging Time

有线充电时间：≤1.5小时

无线充电时间：≤3小时

 1.5h 1.5h 1.5h 2h
Dimensions About 39.6x83.6x14.6mm 72*32*11.1mm (excl. back clip) 72*32*11.1mm (excl. back clip) 58*25*10.4mm (excl. back clip) 24*50*11.6mm (excl. back clip)
Wearing Leatherette case 背夹+挂绳 背夹+挂绳 背夹+挂绳 背夹+挂绳
Weight About 68g 43.7g 43.7g 25g 20.5g