40mm DLC Dynamic Driver

QuietMax Double feed intelligent noise reduction

70 Hours of battery life

40mm DLC Dynamic Driver：The sound quality of the large diameter diamond-like dynamic unit is transparent and delicate

70 Hours of playtime：Continuous playback 5min=5h Support fast charging

Al Environmental Noise Cancellation：Outstanding noise hand ing effectively blocks out background sound for clearer calls

12 Studio-grade EQs：Derived from studio calibration technology

Bluetooth 5.3：Quick and stable connection

QuietMax：Double Gold Label Certification

Hi-Res Double Gold Label Certification

LDAC Lossless decoding

70 Hours of playtime：No anxiety about battery life

ANC OFF：

Continuous playback for 70 hours

ANC ON：

Continuous playback for 50 hours

Al Environmental Noise Cancellation：

Outstanding noise hand ing effectively blocks out background sound for clearer calls

12 Studio-grade EQs：Derived from studio calibration technology

The 12 sound effects customized for both ears are professionally tuned in the studio to ensure that the sound is free of " distortion filters " , and the complete details and tuning style of the music are highly restored

Bluetooth 5.3：Quick and stable connection

With 5.3 upgrade chip ,reduce frequency interruption reduce power consumption ,bluetooth headphones connection speed is faster and more stable

Listen immersively:

QuietMAX Doubly - fed intelligent noise reduction

Quietmax doubly-fed noise reduction black technology* effectively eliminates external noise by more than 35dB*. No matter where youare in a subway station, cafe, street , etc. , you can cancel noise withone click and listen easilywithout ear pressure. There is also atransparent mode for seamlessinteraction with the outside worldCharge for 5 minutes listen to music for 5 hours

Fast charge for 5 minutes, listen for 5 hours

Comfortable to wear adjustable headband

Can be retracted and folded according to the head shape

wired/wireless Two Mode

The audio cable can easily handle situations where the earphones run out of battery, and playback is unrestricted from now on

Hi.Res AUDIO

Appreciate lossless sound

The headset is equipped with LDAC lossless wireless transmission technology which can transmit about 3 times ( or more ) the amount of data encoded by AAC or SBC (transmission speed up to 99o kbps) , and the amazing full detail makes wireless listening enjoy wired-like high-resolution sound quality

Specification：

Name: Wireless Headphones

Model: HC905

Weight: 250 g

Earbuds Size: 170 X 192 x 82 mm

Battery capacity: 720 mAh

charging time: 80 minutes

Fully Charged Playtime (ANC Off: 70 hours

Fully Charged Playtime (ANC ON): 50 hours

Speaker Impedance: 32 Ω

Wireless Range: 10 m

Bluetooth: Bluetooth 5.0

Bluetooth Protocol: HFPA2DP AVRC

Input 5v 1.1A

Maximum power: 20 MW

Working Temperature: 0 "C - 45 C

Frequency Range: 2.400 GHz - 2.4835 GHZ

The specifications are acquired from laboratory tested data.

*The playback time, tested under the laboratory condition of AAC format and 50% volume, may vary with different device setting, environments, usage and other factors.

Package included:

Earphone X 1

Storage box X 1

Type-C charging cable X 12.5mm to 3.5mm audio cable X 1

Warranty Card X 1

User Manual X 1