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CRYSTAL is the Bluetooth headset with ENC, environment noise cancelling. This innovative technology reduces ambient noise and makes your voice clearer during phone calls, so your conversation partner can listen optimally. Each headset is actually equipped with 2 microphones, one for voice and the other for sounds. CRYSTAL is also equipped with the low-latency function, which ensures synchronization between the sound and the images on the screen, so you can enjoy an ideal listening and gaming experience. CRYSTAL is designed to follow you anywhere thanks to a playtime of 3.5 hours and the ability to charge the earbuds up to 4 times, for a total of 14 hours of freedom. The capsule shape guarantees optimal comfort, the earpiece fits perfectly to your ear, so you can hear high-quality sound with rich and deep bass. Specifications: Bluetooth: v5.0 - Profiles supported: Headset - Hands-free - A2DP - AVRCP - Range: 10 m - Bluetooth frequency range: 2.402 GHz - 2.480 GHz - Battery voltage: 3.7 V - Battery capacity: 35 mAh x 2 - Battery capacity of the charging case capacity: 2. 50mAh 50mAh Technical data: battery capacity of the charging case: 250 mAh - voltage of the USB-C port (V): 5 V - current of the USB-C port (A): 1 A - ERP: 8 dB - standby: approx. 30 hours. Talk time: approx. 3.5 hours. Playing time: approx. 3.5 hours - Charging the headphones: approx. 1.5 hours. Weight: 183 g; Product description CRYSTAL is the Bluetooth headset with ENC, environment noise cancelling. This innovative technology reduces ambient noise and makes your voice clearer during phone calls, so your conversation partner can listen optimally. Each headset is actually equipped with 2 microphones, one for voice and the other for sounds. CRYSTAL is also equipped with the low-latency function, which ensures synchronization between the sound and the images on the screen, so you can enjoy an ideal listening and gaming experience. CRYSTAL is designed to follow you anywhere thanks to a playtime of 3.5 hours and the ability to charge the earbuds up to 5 times, for a total of 20 hours of freedom. The capsule shape guarantees optimal comfort, the earpiece fits perfectly to your ear, so you can hear high-quality sound with rich and deep bass.; Product description CRYSTAL is the Bluetooth headset with ENC, environment noise cancelling. This innovative technology reduces ambient noise and makes your voice clearer during phone calls, so your conversation partner can listen optimally. Each headset is actually equipped with 2 microphones, one for voice and the other for sounds. CRYSTAL is also equipped with the low-latency function, which ensures synchronization between the sound and the images on the screen, so you can enjoy an ideal listening and gaming experience. CRYSTAL is designed to follow you anywhere thanks to a playtime of 3.5 hours and the ability to charge the earbuds up to 5 times, for a total of 20 hours of freedom. The capsule shape guarantees optimal comfort, the earpiece fits perfectly to your ear, so you can hear high-quality sound with rich and deep bass.; CRYSTAL is the Bluetooth headset with ENC, environment noise cancelling. This innovative technology reduces ambient noise and makes your voice clearer during phone calls, so your conversation partner can listen optimally. Each headset is actually equipped with 2 microphones, one for voice and the other for sounds. CRYSTAL is also equipped with the low-latency function, which ensures synchronization between the sound and the images on the screen, so you can enjoy an ideal listening and gaming experience. CRYSTAL is designed to follow you anywhere thanks to a playtime of 3.5 hours and the ability to charge the earbuds up to 5 times, for a total of 20 hours of freedom. The capsule shape guarantees optimal comfort, the earpiece fits perfectly to your ear, so you can hear high-quality sound with rich and deep bass.