● 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.
Battery: Li-ion 130mAh
Stand-by Time: 180 hours
Charging Voltage: DC 5V
Impedance: 32 ohms
Frequency: 20Hz - 20KHz