Product Overview
 
Single package size: 22X21.5X12.5 cm
Single gross weight: 0.600 kg
Package Type: Color Box Packing
Carton size: 57.5*50*39.6CM
30pcs/14.6KG





2. Two playing modes, music mode and low latency gaming mode
3. For music & phone calls
4. Rechargeable by TYPE-C
5. Built-in HD microphone
6. Can be used wireless via Bluetooth, or wired via 3.5mm jack
7. Foldable design, comfortable ear pads and adjustable metal headband
8. Call pickup, volume & media buttons
9. Intelligent power saving
10. Compatible with mobile phones, tablets/laptops, smart TV/smart TV boxes, etc.
11. Support dual devices connected


                            
                    | Wireless Type: | Bluetooth  | Cord Length: | 1.5  | 
| Support Memory Card: | No  | Bluetooth Standard: | Bluetooth v5.0  | 
| Vocalism Principle: | Dynamic  | Waterproof Standard: | IPX-3  | 
| Volume Control: | Yes  | Active Noise-Cancellation: | No  | 
| Control Button: | Yes  | Product type: | Wireless headphone  | 
| Codecs: | SBC  | Headphone type: | Over ear  | 
| Model Number: | HD-B27  | BT chipset: | ATS3005  | 
| Communication: | Wireless  | BT version: | V5.0  | 
| Use: | Portable Media Player, Mobile Phone, COMPUTER, Audiophile, Travel, HiFi Headphone  | Working distance: | 10m  | 
| Function: | Bluetooth, Microphone  | Charging voltage: | DC 5V  | 
| Place of Origin: | Guangdong, China  | Built-in Battery: | 1000mAh  | 
| OEM/ODM: | Accepted  | Play time(80% Vol.): | About 50H  | 
| Is wireless: | Yes  | Charging time: | about 2 hours  | 
Packaging & Delivery
Selling Units: Single itemSingle package size: 22X21.5X12.5 cm
Single gross weight: 0.600 kg
Package Type: Color Box Packing
Carton size: 57.5*50*39.6CM
30pcs/14.6KG





Features
1. 40mm drive units, over ear design, noise isolation, super bass sound2. Two playing modes, music mode and low latency gaming mode
3. For music & phone calls
4. Rechargeable by TYPE-C
5. Built-in HD microphone
6. Can be used wireless via Bluetooth, or wired via 3.5mm jack
7. Foldable design, comfortable ear pads and adjustable metal headband
8. Call pickup, volume & media buttons
9. Intelligent power saving
10. Compatible with mobile phones, tablets/laptops, smart TV/smart TV boxes, etc.
11. Support dual devices connected
| BT version | 5.0 | |
| BT solution | ATS3005 | |
| Profiles | A2DP,AVRCP,HSP,HFP | |
| Battery | 1000MAH high performance polymer lithium battery | |
| Charging voltage | DC 5V | |
| Working voltage | 3.3V-4.2V | |
| Working distance | 10M | |
| Play time(80% volume) | About 50H | |
| Charging time | about 2H | |
| Cable plug | 3.5mm three section gold-plated stereo pin | |
| Wire | Material | Φ3.0mm soft braided wire | 
| Length | 1.5M±5% | |
| Speaker | Driver unit | 40MM | 
| Speaker impedance | 32Ω±10% at1KHZ | |
| Sensitivity | 103±3dB | |
| Frequency response range | 20-20000HZ | |
| Distortion | less than 10% | |
| Rated power | 20mV | |
| Microphone | Call Microphone | 4015,-38±3dB | 
| Directivity | Omni directional | |
| Output Impedance | 2.2KΩ(max).at1KHZ | |
| Current consumption | 500uA | |



After-sales service:
1.1*24 online service ,any question all can contact us for free 
2.Support OEM&ODM
3.Fast shipping after your payment 
4.Warranty:6 months after you picked up your package and not including the man-made