◆ Bluetooth Version: Ver.5.0 / ◆ Supported Codecs: LDAC / HWA (LHDC) / aptX HD / aptX Low Latenc / aptX / AAC / SBC / ◆ Bluetooth Chip: Qualcomm CSR8675 / ◆ DAC Chip: ESS Saber ES9218P × 2 / ◆ Connectable Distance: Up to 10 m / ◆ Mike: Knowles SiSonic / ◆ Mounted Terminal: 3.5 mm Jack / 2.5 mm Jack / ◆ Body Size: (H) 60 × (W) 36 × (D) 13.5 mm / ◆ Body Weight: about 37 g
◆ Output Voltage: ● (Single Ended / High Gain): 71 mW (32 Ω Load) / ● (Single Ended / Dual DAC Mode): 91 mW (32 Ω Load) / ● (Balance Output): 160 mW (32 Ω Load) / ◆ S / N Ratio: ● (Single Ended): 120 dB / ● (Balance Output): 120 dB / ◆ Crosstalk: ● (Single Ended): 73 dB (32 Ω Load) / ● (Balance Output): 96 db (32 Ω Load) / ◆ THD + N: ● (LDAC / 0.5 V / 32 Ω): 0.003 % / ● (Other Codec / 0.5 V / 32 Ω): 0.03 %
◆ Driving Time: ● (Single Ended): about 15 hours (Max) / ● (Balance Output): about 10 hours (Max) / ◆ Charging Time: about 2 hours / ◆ Battery Capacity: 550 mAh / ◆ Input Power: DC 5 V / 500 mA / ◆ USB Port Type: USB TYPE-C
◆ Accessories: ● Dedicated Clip Case / ● USB TYPE-C Cable / ● Quick Start Guide
● Chinese / English / Japanese Quick Start Guide Download Site URL: http://interserver.oss-us-east-1.aliyuncs.com/files/UP4%20Manual%20V1.1.pdf