TWS Bluetooth Earphones. Up to 3 hours of listening time on a single charge. Battery in the storage case adds up to 9 hours of listening time. Automatically mutes your music in case of incoming calls LED status indicator. Features: - Enjoy Wireless Mobility - Listen to your music and make hands-free phone calls - Works with any Bluetooth-enabled laptop, tablet or smartphone Specifications: Performance: - kind of product: Headphones - Wearing style: inside ear - Recommended use: Calls/Music - Headphone type: binaural - Control type: Tap - Sound pressure level (Max): 4 dB Ports and Interfaces: - Connectivity technology: Wireless - USB connection: Yes - Usb connector: USB Type C - Bluetooth: Yes - Bluetooth profiles: A2DP, HFP, HSP, AVRCP - Bluetooth version: 5.0 - Wireless range: 10m Headphones: - Earphones: In-ear - In-ear headphones: Headphones - Headphone frequency: 20 - 20000Hz Microphone: - Microphone type: Integrated - Transmission and charging base Battery: - Battery: Yes - Battery Type: Integrated battery - Battery technology: lithium polymer - Battery capacity: 200mAh - Right earphone battery capacity: 30mAh - Left earphone battery capacity: 30mAh - Continuous audio playback time: 3, 9 - Battery charge indicator: Yes - Battery recharge time: 1 hour Sustainability: - Sustainability certificates: RoHS Weight and measurements: - Broad: 80mm - Depth: 130mm - Height: 25mm - Weight: 29g