B.DUCK Wireless Bluetooth headset K33
Instructions
© 2005, 2023 SEMK PRODUCTS LIMITED.
Functional parameter:
- Product name : wireless Bluetooth headset
- Bluetooth protocol : HSP,HFP,A2DP,AVRCP
- Wireless frequency range : 2.402GHz~2.483GHz
- Audio frequency range : 20Hz~20KHz
- Speaker : Diameter 13mm Ring Copper horn
- Bluetooth Version : 5.3
- Bluetooth Distance : 10M
- Battery : 25mAh/300mAh
- Charging time : about 1 hr
- USe time : about 3~4 hrs
- Standby time : about 200 hrs
Packing list
- Earphone 2-Pcs
- Charging chamber 1-Pc
- Type-C Charging Cable-1Pc
- Manual 1-Pc
| Function | Operation notice |
| Paired name | B.Duck K33 |
| Pairing | Charging bin Open headphones automatically boot, then open the mobile phone bluetooth search device“B.Duck K33” click on the link |
| Play / pause | In music state, click either side |
| The last song | In music state, triple click on the left side |
| The next song | In music state, triple click on the right side |
| Decrease volume | In music state, double-click on the left side |
| Increase the volume | In music state, double-click on the right side |
| Answer / hang up the call | Click either side of the headset, during incoming call |
| Refuse to answer the call | In call state, long press on either side for 2 seconds |
| Siri function | Long press on either side for 3 seconds |
Warranty Regulations
- Within 7 days since you signed for goods received note , the product should without any human damage and repairing, after sales service center inspection and confirmation, this product will enjoy free for seven days no reason to return or exchange service, but the return product must ship along with complete accessories, packaging without damage and without any scratches, otherwise please don’t return for mentioned processing
- Within 15 days since you signed for goods received note , the product should without any human damage and repairing, after sales service center inspection and confirmation, you can enjoy free exchange services
- since you signed for goods received note within six months , the product should without any human damage and repairing, after sales service center inspection and confirmation, you can enjoy free maintenance services
- Within 15 days since you signed for goods received note, the product should without any human damage, such as packing damage, lack of accessories, we only provide maintenance treatment but not replacement.
User/s attention
- Earphone/s needed to keep in a dry and ventilate environment and keep away from oil, water, steam, moisture, these will interference the device’s performance
- Please choose low power charger to charge the device/s
- In order to have better performance, please make sure that the device/s have enough charging.
- Charging requirements: Please use charger whit under DC 5.0V & 2A output, fast charger is prohibited for earphone charging.
Non warranty regulations
- Scratching or damage/s on charging carbinet or earbuds carbinet
- Human damage/s: Devices pressed to deformation, broken, water immersion,
- Unauthorized for repairing, changing the parts for the device/s
- Human error/s to cause the device/s malfunction
Tips: Angainist the warranty regulations we have the right to refuse for any action.
Product warranty card
| The product name | |
| Product model No- | |
| Purchasing date | |
| The user name | |
| User telephone no- | |
| User address | |
| Fault description | |
| Store name |
Product aftersales information
Innovation and technology (Shenzhen) Technology Co. , Ltd.
After-sales telephone number : 0755-23212139
https://work.weixin.qq.com/u/vc1fedfb6407061fe3?v=3.0.10.12293
Documents / Resources
 | B Duck K33 Wireless Bluetooth Headset [pdf] Instructions 2BDKH-K33, 2BDKHK33, K33, K33 Wireless Bluetooth Headset, Wireless Bluetooth Headset, Bluetooth Headset, Headset |