切碎的F9

Size of earphone: 27mm(L)*23mm(W)*23mm(H)

Weight of earphone: 5.5g

Charging current: 50 mA

Charging time: about 2.5 hours

Working voltage: 3.3V- 4.2V

Standby time: around 130 hours

Listening music time: 10-12hours

Talking time: 10-12 hours

Bluetooth Version: 5.0

Support for profile: Tensilica HIFI EP, Hardware  FFT, SRC,Filter, MCSync  TWS+

RF emission frequency: class 3

Transmission category( H Z): 2.4 GHZ-2.48GHZ

Transmission distance: 10m

Audio sampling rate: up to 96 KHZ

Audio sampling accuracy: 16 bits

Audio c oding format: CVSD, Msbs, sbc,aac

Noise-signal ratio: > 95DB

Working temperature: -15℃~60 ℃

Working wet: 10%~85%( Non-freezing state)

Headphone horn information:

Specification

Impedance: 16

Specification: Φ 6mm

Impedance: 16Ω/tytype

Frequency( HZ): 20HZ~20KHZ

Sensitivity: 933 DB

Input power: 2mW-5mW

Microphone information

M/C style: silicon microphone

M/C sensitivity:-423DB

SPL: 130 DB

Charging box information:

Size: 75*34 mm weight: 42g

Charge port: Micro USB

Charge times( with full current state): Twice

Charging time: about 1 h