Main Features:
-Waterproof IPX4 level, sweat and splash proof.
-Support APR-X HiFi sound quality.
-NFC quick pairing, connect two phones at the same time.
-CVC intelligent noise reduction.
-8 hours playing time, 2 hours charging time.
Specification:
Output Power: 10mW
Battery: Li-ion 130mAh
Drive: 10mm
Sensitivity: 10dB
Impedance: 32 ohms
Frequency: 20Hz - 20KHz

Package weight: 0.251 kg
Package size (L x W x H): 10.00 x 4.50 x 18.00 cm / 3.94 x 1.77 x 7.09 inches
Package Contents:
1 x Earphones,
1 x English User Manual,
4 x Ear Tip,
1 x USB Cable