The Letv earphone gives you perfect sound. It is light weight, convenient to take along and use.

Features: 
It support CDLA all-digital lossless audio.
Dual-back cavity structure design, enhance the bass while ensuring less distortion.
Support Hi-Res 96K/24bit output, let you enjoy the most authentic music.
Dupont special diaphragm technology to optimize tune.
Semi-in-ear design to effectively avoid stethoscope effect, comfortable to wear.
Built in LETV custom-made HIFI independent decoding chip.
Fashion flat cable design, no winding.
100% gold plated type-C plug, reduce the loss of signal transmission and restore the real music.
One-button control, simple and easy operation.
Digital headphones independent feature set: Smart headphones identification, Intelligent power control, Smart exclusive optimal sound quality.
Convenient to take along and use.

Note: NOT support making/receiving calls.

Specifications:
Brand: Letv 
Rated Power: 5mW
Frequency Response Range: 20Hz-20KHz
Distortion:100Hz<2%, 800Hz<1%
           1KHz<1%, 8KHz<1%
           10k<3%
           AT 3mW
Max Power in CDLA: 40mW
Cable Length: 1.2M
Mic Sensitivity: -40±3dB@1KHz 0dB=1V/Pa
Mic Impedance: TBD
Mic Frequency Response: 20Hz-20KHz
Digital Decoder Playing: 96k/24bit
Speaker Line Diameter: 0.04mm
Speaker Diameter: 13.98mm
Flux: TBD
Digital Decoder Recording: 96k/24bit
Talk Delay: 20ms
Output Level: 417mVrms
THD: -71dB(0.028%)
Noise Floor: 9uV
SNR: 92dB
DYN: 92dB
Crosstalk: 89dB
Package size: Approx. 13.5 * 4.7 * 2.2cm / 5.3 * 1.9 * 0.9in
Package weight: Approx. 76g / 2.71oz

Package including: PA3623
1 * Earphone