| Brand | HUAWEI |
| Name | HUAWEI CM-H2 FreeBuds 2 |
| Type | Wireless Bluetooth earphone |
| Bluetooth | Bluetooth 5.0 |
| Bluetooth protocol | A2DP 1.3; Hands-Free Profile (HFP)1.6 ; AVRCP |
| Effective frequency bandwidth | 20 Hz – 20,000 Hz |
| Indicator | In the Charging box: 1pcs RGB LED tricolour light : |
| * indicate the status of earphone charging | |
| * indicate the status of earphone power | |
| * indicate the status of pairing | |
| * indicate the status of reset | |
| Out of the Charging box:4pcs LED light: | |
| * indicate the status of box charging | |
| * indicate the status of box power | |
| Charging port | Type C USB |
| Funtions | * Wireless binaural stereo headphones, Left and right earphone can work at the same time; |
| * Low power consumption, long battery life; | |
| * Voice noise reduction; | |
| * Wireless charging (charging box); | |
| * Self-search and quickly pairing once open the box; | |
| * 13mm dynamic unit, half-in-ear headphones; | |
| * Smart Wearing test | |
| * Double-click handle | |
| * Dustproof and waterproof | |
| Battery | Min. 410mAh, Typical 420mAh |
| Power input | 5V—1A |
| Button key | Pairing key: |
| * To use it in first time, press pairing key in 4s, charging box will be turned on. |
|
| * After the charging box is turned on, keep the earphone in the box, press pairing key over 2s, less 10s, |
|
| eaphones enter the status of pairing | |
| * Put the earphone in the box, press pairing key in 10-16s, earphone can be Factory Reset. |
|
| * Press paring key in 16s, charging box will be restart. | |
| * Press pairing key in 1-2s, indicate the status of box power. | |
| Theoretical call time | about 2.5 hours |
| Theoretical standby time | When connected to a Bluetooth device at full power and enter to standby state, |
| non-wearing state can last for about 15 hours. | |
| Theoretical charging time | Maximum support for 3C charging current. It takes about 1 hour to be full. |
| Voice Quality | * Transponders such as transmit/receive loudness, transmit/receive noise, transmit/receive frequency response, |
| transmit/receive distortion, and echo refer to narrowband call standard TIA-810B/broadband call standard TIA-920 |
|
| * Noise reduction level (environmental noise suppression performance (broadband/narrowband speech) |
|
| * SNR:White noise:>25 dB | |
| * Hoth noise:>25 dB | |
| * Traffic noise:>25 dB | |
| * WNR: Wind noise:<75 dB | |
| Microphone | 2pcs MEMS microphone |
| Charging box size | 50.5mm*45mm*24.5mm |
| Earphone size | 43mm*18.6mm*16.5mm |
| Weight | Charging box: 45g±1g; one earphone :4.1g±0.1g |
| In box | 1 set of FreeBuds 2 / FreeBuds 2 Pro earphone |
| 1pcs Charging box | |
| 1pcs Type C charging cable | |
| 1pcs manual |
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