HOCO. EQ21 Wireless Headphones with Charging Case (BT v5.4) Noise Reduction ENC + ANC - Black

Description

About this Item: 

Bluetooth specifications: Bluetooth V5.4 Jerry AC7003.

Support protocol: Headset Hands-free A2DP Avrcp.

Transmission range: 10 meters.

Transmission frequency: 2.4GHz.

Maximum RF output power (EDR): 4DB Modulation type (EDR): GFSK, π/4-DQPSK.

Speaker: 13MM; Impedance: 32Ω±15%.

Frequency response: 20~20000Hz.

Sensitivity: 98db±3db.

Charging voltage: DC5V.

Charging time: about 1 hour.

Charging box battery capacity: 360mah.

Left and right ear battery capacity 30mAh each.

Talk time: about 4 hours.

Music time: about 4 hours.

Net weight: 57.6g (including charging compartment).

Bare device weight: 3.7g (single ear).

Size: 60.6*45.2*23mm.

Color: White