SPECIFICATIONS

Style: Earbuds

Certification: CE

Certification: FCC

Certification: RoHS

Vocalism Principle: Dynamic

Origin: CN(Origin)

Control Button: Yes

Active Noise-Cancellation: No

Communication: Wireless

Volume Control: Yes

Sensitivity: 98dB

Wireless Type: bluetooth

Is wireless: Yes

Max Output: 10mW

Support APP: No

Function: For Mobile Phone

Function: Sport

Number Of Drivers: 2

Package List: User Manual

Package List: Charging case

Package List: Charging Cable

Package List: Replaceable Pads Set

Impedance Range: up to 32 Ω

Connectors: Type c

Model Number: Lenovo XT91 (used name: QT81)

Earcups Type: Sealed

Headphone Pads Material: SILICONE

Bluetooth Version: 5.0

Codecs: sbc

Support Memory Card: No

Resistance: 16Ω

Waterproof: Yes

Frequency Response Range: 20 - 20000Hz

Total Harmonic Distortion: 1%

With Microphone: Yes

Features: waterproof

Features: With Microphone

Charging Method: Charging case

Magnet Type: Other

Model: Lenovo XT91 (used name: QT81)

Battery capacity(case): 300mAh

Music time: about 15 hours

Bluetooth connection distance: 10M

Type-c fast charge: about 1hr full charging

Led Light: Smart Battery display

compatibility1: suit for iphone xiaomi huawei samsung htc smartphone

compatibility2: support lenovo motorola

compatibility3: suit for iOS Android Tablet

Others: 100% Original Lenovo and new

wholesale or Dropshipping: Support

Lenovo Original XT91 Wireless Bluetooth TWS BT5.0 Headphones AI Control Stereo Sport Headset Noise Reduction Earphone With Mic

Overview:

BT 5.0 technology brings high-speed data transfer speed, stable performance, and low power consumption. With TWS technology, you can use the headset solely or used them in pairs. Equipped with a 300mAh charging box to charge the earbuds. Built-in Microphone delivers a clearer and more realistic sound. It will bring you perfect user experience.

Features:

BT 5.0 technology ensures higher data transfer speed, stable and fast connection, and low power consumption.

True wireless dual-ear design, left and right earphone channels are separated. It can be used solely or in pairs.

Touch control design, no more pressure on your ears. Easy to control music and calls, and activate voice assistant.

Built-in Mic on both earbuds with intelligent noise reduction delivers clearer talking sound in stereo mode.

A 300mAh charging case can charge and store the earbuds. 40mAh battery in each earbud offers about 3 hours of music time.

3.8g lightweight and mini size fit well to your ear canal, providing a long time wearing comfort and stability.

Specifications:

Brand Name: Lenovo

Model Number: XT91

BT Version: 5.0

Transmitting Distance: 10m/33ft

Drive Diameter: 8mm

Frequency Range: 20-20KHz

Sensitivity: 90±3dB

Impedance: 32Ω

Charging Case Battery Capacity: 3.7V 300mAh

Earbuds Battery Capacity (Each): 3.7V 40mAh

Working Time: about 3 hours (depends on music volume)

Color: Black, White (Optional)

Earbud Weight (Each): 3.8g/0.13oz

Package Size: 13.9*8.9*3.0cm/5.47*3.50*1.18in

Package Weight: 80g/2.82oz

Package List:

1 * Pair of Earbuds

1 * Charging Case

2 * Pair of Earcaps

1 * Charging Cable

1 * User Manual

Note：

Lenovo XT91

Used name : Lenovo QT81