Blue Spectrum Stereo wireless headset with microphone Bluetooth connection 5.0 Battery 

capacity: 200mAh 

Transmission distance: up to 10 m 

Speaker size: 40 mm 

Frequency response: 20Hz-20kHz 

Obstacle: 64ohms Microphone 

sensitivity (115kHL) +/- 3dB 

Music duration: 4-6 hours 

Introduction 3.5 mm Aux

Bluetooth 5.0 & Super Easy Pair. Listen and enjoy with a simple and quick pairing process:

Charge the earbudsfirst before pairing.

Pick up both earbuds from charging case;

Turn on the Bluetooth on your phone and choose How To Pair F9-TWS

Bluetooth 5.0 & Super Easy Pair. Listen and enjoy with a simple and quick pairing process: ” F9 ” , If it’s paired correctly, a message “Connected for call & media audio”, or” Connected ” will appear on the screen.

Adopt high-performance BT 5.0 chip, fast transmission speed, low power consumption, low latency, stable signal connection

10mm 6D stereoscopic horn unit, powerful sound effect, bringing thick bass, clear mid-frequency sound and bright high-pitch

In-ear ergonomic design, fit the ear canal, not easy to deform, comfortable to wear

Magnetic suction design, removes tedious storage steps, not easy to wind and lose

Built-in 105mAh battery to ensure long endurance time, 8 hours play time, 120 hours standby time

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Features: Adopt high-performance BT 5.0 chip, fast transmission speed, low power consumption, low latency, stable signal connection.

10mm 6D stereoscopic horn unit, powerful sound effect, bringing thick bass, clear mid-frequency sound and bright high-pitch.

In-ear ergonomic design, fit the ear canal, not easy to deform, comfortable to wear.

Soft TPE material, skin friendly and comfortable.

Magnetic suction design, removes tedious storage steps, not easy to wind and lose.

Built-in 105mAh battery to ensure long endurance time, 8 hours play time, 120 hours standby time, no need to worry about power shortage.

Specification:

Brand: Lenovo

Model: XE05

Color: Black/Red/Green(optional)

BT version: V5.0

Transmission distance: 10m

Horn diameter: 10mm

Frequency range: 20-20KHz

Battery capacity: 105mAh

Duration: ≥3h

Play time: 8H Standby time: 120H Item weight: Approx. 77.7g /2.74oz Packing list: 1 * Headphone 1 * Charging cable 2 * Pair of earplugs 1 * User manual

JBL Deep Bass Sound

20 hours of combined playback

Either ear, or both

Calls and voice assistant with touch

control

Comfort-fit

Action ready

Pocket friendly

Driver size: 8mm/0.315″ Dynamic Driver

Power supply: 5V 1A

Weight: 47.5g/0.105 lbs

Headset battery type: Lithium-ion Battery

(48mAh/3.7V)

Charging case battery type: Lithium-ion

Battery (500mAh/3.7V)

Charging time: 2 hrs from empty

Music playtime with BT on: up to 5 hrs

Frequency Response: 20Hz – 20kHz

Impedance: 16 ohm

Sensitivity: 108 dB SPL@1 kHz

Maximum SPL: 93 dB

Microphone sensitivity: -38dBV/Pa@1kHz

Bluetooth version: 5.0

Bluetooth profile version: A2DP V1.3,

AVRCP V1.6, HFP V1.7

Bluetooth transmitter frequency range:

2.400 GHz – 2.4835 GHz

Bluetooth transmitter power: 12dBm

Bluetooth transmitter modulation:

GFSK, π/4 QPSK, 8DPSK

Maximum operation temperature: 45°C

JBL Deep Bass Sound

20 hours of combined playback

Either ear, or both

Calls and voice assistant with touch

control

Comfort-fit

Action ready

Pocket friendly

Driver size: 8mm/0.315″ Dynamic Driver

Power supply: 5V 1A

Weight: 47.5g/0.105 lbs

Headset battery type: Lithium-ion Battery

(48mAh/3.7V)

Charging case battery type: Lithium-ion

Battery (500mAh/3.7V)

Charging time: 2 hrs from empty

Music playtime with BT on: up to 5 hrs

Frequency Response: 20Hz – 20kHz

Impedance: 16 ohm

Sensitivity: 108 dB SPL@1 kHz

Maximum SPL: 93 dB

Microphone sensitivity: -38dBV/Pa@1kHz

Bluetooth version: 5.0

Bluetooth profile version: A2DP V1.3,

AVRCP V1.6, HFP V1.7

Bluetooth transmitter frequency range:

2.400 GHz – 2.4835 GHz

Bluetooth transmitter power: 12dBm

Bluetooth transmitter modulation:

GFSK, π/4 QPSK, 8DPSK

Maximum operation temperature: 45°C

Get yourself a complete sound package that not only comes in vibrant black color but is loaded with the most attractive features. These features will help you in getting good sound quality among many things. 

Long battery life: The headphones last for up to 24 hours once fully charged.

Comfort fit: Its comfort-fit makes you feel stress-free. These wireless headphones are a treat to the ears.

Handsfree call: It is now possible for you to receive calls even while you are busy doing something else.

Splash proof: It comes with IPX-4 certified design that ensures the music does not stop even in the rain or the bright sunshine.

JBL Signature Sound

Immersive JBL Signature Sound delivered in an intuitive, intelligent package. Dual connect makes your life easier.

The JBL Free II instantly pair to your Android device as soon as the earbuds are out of the case. Take crystal clear phone calls, talk to your voice assistant and listen to your favorite streaming music – at any time, with either earbud or both. Bluetooth 5.0 ensures high quality streaming. 24 hours of combined playback.

Enjoy an entire day of wireless audio, with 6 hours of continuous playback and 18 hours of backup power from the charging case. Easily recharge with a type-C charging case. JBL Free II deliver JBL Signature Sound in an intuitive, yet intelligent package. Completely free from wires and easy to use, the JBL Free II is your flexible companion for calls, music and an active lifestyle. You get a day’s worth (24 hours) of combined playback: 6 hours of continuous listening on the headphones plus 18 hours of backup from the charging case. Immediately paired as soon as you flip open the case, each earbud of the JBL Free II can be used independently in mono or stereo mode, saving battery life. Super comfortable with ear tips in 3 sizes, their worry-free IPX4 certified design keeps the music playing through sunshine and rain. Step up your listening experience in an easy way by controlling music and calls with the intuitive touch controls on the earbud and live free from wires.

Audio Specifications

Power supply5 V 1 A

Frequency response 20 Hz – 20 kHz

Impedance 16 ohm

Sensitivity100 dB SPL@1 kHz / 1 mW

Maximum SPL95 dB

Microphone sensitivity- 38 dBV@1 kHz / Pa

Maximum operation temperature45 °C

Dimensions

Driver size5.6 mm / 0.022′ Dynamic driver

Weight61.6 g/0.135 lbs

Earpiece4.8 g/0.011 lbs/pc (9.6 g /0.021 lbs combined)

Charging case52 g/0.114 lbs

Control and Connection Specifications

Bluetooth version5.0

Bluetooth profile versionA2DP 1.3, AVRCP 1.5, HFP 1.7

Bluetooth transmitter frequency range2.4 GHz – 2.48 GHz

Bluetooth transmitter power< 10 dbm

Bluetooth transmitter modulationGFSK, ?/4-DQPSK, 8DPSK

Battery

Headset battery typeLithium-ion Battery (55 mA / 3.7 V)

Charging case battery typeLithium-ion Battery (650 mA / 3.8 V)

Charging time< 2 hrs from empty

Music playtime with BT onup to 6 hrs