Defender Twins 638 Headset Wireless In-ear Calls/Music Bluetooth Black

Bluetooth: Yes | Bluetooth profiles: AVRCP | Headphone frequency: 20 - 20000 Hz | Connectivity technology: Wireless | Weight: 40 g | Width: 30 mm | Height: 30 mm | Depth: 65 mm | Wireless range: 10 m | Bluetooth profiles: HFP | Bluetooth profiles: HSP | Package height: 120 mm | Package weight: 80 g | Wearing style: In-ear | Recommended usage: Calls/Music | Microphone type: Built-in | Microphone sensitivity: 42 dB | Package width: 91 mm | Bluetooth profiles: A2DP | Package depth: 35 mm | Product type: Headset | Headphone sensitivity: 98 dB | Acoustic system: Closed | Microphone frequency: 100 - 16000 Hz | Bluetooth version: 5.0+EDR | Product colour: Black | Talk time: 2 h | Driver unit: 1 cm | Frequency band: 2402–2480 | Ear coupling: Intraaural | Sustainability certificates: CE | Sustainability certificates: RoHS