Knowles Dual Balanced Armatures.
Astrotec S90 Pro take advantage of the BA drivers to create a HiFi level balanced three frequencies, yet rich in details, broad in sound stage. The BA drivers decrease the distortion rate, increase the resolution and extend the flexibility of high frequency which is hardly found in current TWS products
Qualcomm aptX Chip
S90 PRO adopts this high quality chip with further optimization, along with Bluetooth 5.0, it supports many formats like APTX, AAC, SBC decoding formats while maintain a fast strong and ultra-stable connection
Fast Charge and QI Wireless Charge.
With a single charge of 15mins, you can enjoy up to 3 hours playtime. The type-C charging case is also compatible with Qi wireless charging device. It saves your space and offers ultra convenience
MEMS Microphones with CVC Noise Cancellation.
Each earbud is equipped with MEMS microphones that utilize the latest CVC noise reduction technology. When making a call, environmental noises are reduced while your voice is retained so you sound louder and clearer on the other end.
Up to 40 Hours of Playtime.
A single charge gives you a full 8 hours of listening, while the charging case extends it to 32 hours of playtime, 150 days standby time. And when the case needs a power boost, simply set it down on a wireless charger.
Instructions for operation
Press one second to answer the phone or hang up, play/pause
Press four times to call out Siri or Google assistant
L: Press 3 times for previous song
R: Press 3 times for next song
L: Press 2 times for volume down
R: Press 2 times for volume up
Technical Details
- 1 x Astrotec S90 Pro
- User Manual