Bluetooth headphones TWINS 903 white

Wearing style: In-ear | Ear coupling: Intraaural | Connectivity technology: Wireless | Product colour: White | Bluetooth: Yes | Recommended usage: Calls/Music | Driver unit: 1 cm | Microphone sensitivity: 42 dB | Product type: Headset | Wireless range: 10 m | Bluetooth profiles: HFP | Bluetooth profiles: A2DP | Microphone type: Built-in | Talk time: 4 h | Microphone frequency: 100 - 16000 Hz | Bluetooth profiles: AVRCP | Bluetooth version: 5.0+EDR | Headphone sensitivity: 102 dB | Headphone frequency: 20 - 20000 Hz | Bluetooth profiles: HSP | Sustainability certificates: RoHS | Sustainability certificates: CE