Brand : AWEI GM-1 / GM-2

Temperature : 10-55’C

Cable Length : 2100MM

Net Weight : About 30G

SNR : >110dB

THD : <1%(1KHz 0dB)

Output Power : 20mW (1KHz 0dB)

Features of NIA WH-220 Bluetooth Headset

Pair and Play with your Bluetooth® device with 32.8′ range

Fine-tuned acoustics for clarity, breadth and balance

Instant music sharing

Take hands-free calls with a built-in microphone

4 in 1: Bluetooth headphones + FM + Micro SD/TF card player + Aux-in

Adjustable earcup for easy keeping

Ergonomically ON-EAR designed for optimal comfort

200 hours standby time to save you from charging

Frequency Range :20-20000 (Hz)
Impedance ：32Ω
Sensitivity :105 (dB)
Wire length: 1.2 plus or minus 0.5 (m)
Connection Type :3.5mm
Connection Type: Wired
Product Height :9 cm
Product Length :19 cm
Product Weight: 0.38 kg
Product Width/Depth :13 cm