Bluetooth headphones TWINS 903 white

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