General specifications
Model Name UTWS5 Hardware solution DAC:  AK4332 Bluetooth:QCC5141
Color  Black Volume Control Button control
Weight 122g (Includes ear hooks) Channel balance L12~R12(0.5dB per level)
Charging Indicator The white light on the earhook is always on and goes out when fully charged. FiiO Control Yes
Bluetooth(5.2) AAC/SBC/aptX/atpX adaptive Firmware upgrade The Bluetooth version can be upgraded via OTA.
Power-saving shutdown Automatic shutdown, and the time can be set in FiiO Music. Low Battery Warning Yes
Sampling Rate Supported Up to 96kHz-24bit Recommended Headphone Impedance 16~100 Ω 
Buttons and ports
Buttons Physical buttons Headphone output ports MMCX/0.78mm Pins
Power parameters
Power Input DC 5V 1A or more Battery Capacity Ear hooks:60mAh
Charging case:800mAh
Charge Time Ear hooks≤1.5h 
Charging case≤2h
Battery Life

>8h (AAC)

The charging case can charge the earhook: 4 times 
Audio parameters
Earphone output performance parameters  (MMCX)
Output power 1 ≥54mW(16Ω / THD+N<1%)  Output Impedance <0.4Ω(32Ω)
Output power 2 ≥33mW(32Ω /THD+N<1%)  Channel Separation ≥86dB (1 kHz/32Ω)
Noise floor <2μV(dbA) THD+N <0.002% (1 kHz/32Ω/dbA)
Frequency response 10Hz~41kHz (-3dB) SNR  ≥109dB (dbA)
Peak Output Voltage >2.9Vp-p

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