CPU: JeiLi 6973

Bluetooth version: Supports Bluetooth V5.0

Bluetooth support protocol: SBC FHSS does not support APTX audio encoding

Wireless frequency range: 2.402 GHz

Modulation method: GFSK

Bluetooth distance: 15 meters

Audio frequency range: 20Hz~20KHz

Speaker: Aluminum wire with a diameter of 13/32 ohms

Microphone: High flexibility capacitive patch microphone

Battery:grade A 30mah*2+200mah

Charging time: 1.5 hours

Charging voltage: DC 5V

Talk time: about 3-4 hours

Play time: Approximately 3-4 hours

Standby time: up to 30 days maximum

Product weight: 55 grams

Product size: 60 * 45 * 21mm

Body material: ABS

Main functions of headphones: answering calls, supporting battery display, in ear, pressure sensing, previous and next songs, low voltage prompt, voice prompt for working mode, two-way calling, Bluetooth renaming, wireless charging, Bluetooth positioning