CELLY TWSESP true wireless headphones

TWSESP true wireless headphones. Specifications: - Version: 5.1 - Headset charging time: 2.5H - Box charging time: 1.5H - Wireless range: 10m - Talk time: 3-4h - Music time: 3-4h - Standby time: 40h - Headphone weight: 6.25g - Charging box weight: 35.3g - USB-C charging cable included Physical: - Typology: Wireless headphones - Form factor: Intrauditivos (In-Ear Headphones) - Built-in microphone: Yes - Weight: 6,25 gr Technical : - Frequency response: Headphone technical characteristics - Frequency response - Designed to: Smartphone and tablets - Listen to music: Yes Connectivity: - Maximum flow: 10 m - Connectors: Bluetooth - Power supply: USB