item | value |
Certification | FCC, ce, RoHS, |
Is wireless | Yes |
Wireless Type | Other |
Support Memory Card | No |
Vocalism Principle | Dynamic |
Volume Control | Yes |
Control Button | No |
Codecs | AAC |
Private Mold | Yes |
Brand Name | SJ |
Model Number | k21 |
Style | In-ear |
Communication | Wireless |
Use | Portable Media Player, Mobile Phone, Aviation, COMPUTER, Dj, Gaming, Sports, Audiophile, Travel, PROFESSIONAL, HEARING AID, For Internet Bar, For iPod, HiFi Headphone |
Function | Waterproof, Noise Cancelling, Microphone, LED Display, Built-in Cable, Power Bank, Wireless Charging, SDK available, Support Apple Siri, Support Xiaomi AI Assistant, Support other AI Assistant, Support Google Assistant, Detachable Cable, APP Control, THERMOMETER, Blood oxygen monitor |
Place of Origin | China |
Guangdong | |
Cord Length | wireless |
Waterproof Standard | IPX-6 |
Active Noise-Cancellation | NO |
Product name | k21 wireless earphones |
Wearing type | In-ear |
Chip | JL6983 |
Talk/music time | 4 hours |
Charging time | 1-2 hours |
Standby time | 150 hours |
Headphone battery | 30mAh*2 |
Charging box battery | 350mAh |
Working range | 10m |
Frequency range | 2.4G-2.48GHz |