Cellularline BTMSTWSSPARKK is an advanced in-ear headset designed for wireless communication applications, featuring Bluetooth connectivity for seamless and efficient audio transmission. This black headset comes with a dedicated charging case, ensuring extended battery life and convenient portability for users in various professional environments. Equipped with volume control functionality, it provides users with precise audio adjustments, enhancing usability in tasks that require focus and clear communication, such as teleconferencing or field engineering. Its compact design and robust connectivity make it ideal for engineering applications that demand reliable, hands-free communication solutions in variable and demanding conditions.
| Type |
In-ear |
| Cable Length |
0.15 m |
| Colour |
Black |
| 3.5 mm connector |
No |
| 6.35 mm connector |
No |
| AC adapter included |
No |
| Acoustic system |
Semi-open |
| Audio adapters included |
No |
| Batteries included |
Yes |
| Battery operated |
Yes |
| Battery type |
Built-in battery |
| Battery weight |
8 g |
| Bluetooth |
Yes |
| Bluetooth Version |
5.3 |
| Bone conduction sensor |
No |
| Brand compatibility |
Universal |
| Built-in display (charging case) |
Yes |
| Cables included |
USB Type-C |
| Charging Capacity (max.) |
5W |
| Charging Capacity (min.) |
2.5W |
| Charging case |
Yes |
| Charging Method (Power Delivery) |
w/o USB Power Delivery |
| Connectivity technology |
True Wireless Stereo (TWS) |
| Continuous audio playback time |
6 h |
| Continuous audio playback time (with charging case) |
30 h |
| Control Type |
Touch |
| Dangerous goods class |
Class 9 |
| Depth |
20mm |
| Ear coupling |
Intraaural |
| Foldable |
No |
| Headset type |
Binaural |
| Height |
45mm |
| Intraaural headphones type |
Earbuds |
| LED indicators |
Battery level |
| Max. battery life |
30h |
| Microphone type |
Built-in |
| Noise canceling |
No |
| Package depth |
28mm |
| Package height |
140mm |
| Package weight |
74 g |
| Package width |
75mm |
| Power supply |
Li-Po rechargeable battery (built-in) |
| Product colour |
Black |
| Protection features |
Not applicable |
| Quick start guide |
Yes |
| Recommended usage |
Calls/Music |
| RF connectivity |
No |
| Technology |
LiPo |
| UN Number |
UN3481 |
| USB connectivity |
No |
| USB Power Delivery (USB PD) |
No |
| USB Type-C charging port |
Yes |
| USB Type-C required charging power (max) |
5 W |
| USB Type-C required charging power (min) |
2.5 W |
| Volume Control |
No |
| Warranty period |
2 year(s) |
| Wearing style |
In-ear |
| Weight |
66 g |
| Width |
45mm |
| Wireless charging |
No |
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