Bluetooth version: Bluetooth 4.2

Supporting protocols: A2DP/AVRCP/HFP/HSP

Bluetooth chip: QCC3020/BK/CSR

Working frequency: 20HZ-20KHZ

Horn diameter: 10mm

Speaker impedance: 32 ohms

Speaker power: 7mW

Battery: Lithium polymer battery, 260mAH

Music playback time: 22 hours

Call time: 24 hours

Standby time: 30 days

Charging time: 3 hours

Charging port: USB

Wireless transmission distance: 10 meters (open space) with built-in microphone

Microphone sensitivity: -46dB

Headphone type: In ear type

IOS device power display

Support multi-point connection

Support hands-free function

Main material: PC/ABS

Surface treatment: UV spraying+electroplating

Weight: 10g

Dimensions (length * width * height): 59 * 16 * 10.5mm