BTH-F9-5 True Wireless Earbuds with Powerbank

True Wireless earbuds connect to each other without any wires. - Portable & Light weight with on-the go charging case - Sport Design ?? Fit the shape of your ear perfectly and provide maximum stability - Built-in Microphone for hands-free calls - Rechargeable storage case charges your earbuds even when you??re on the go - With power bank - With digital display Specification of Earphone: - Bluetooth Version: Version 5.1 - Protocol: Supports HFP 1.7, HSP 1.2, A2DP 1AVRCP 1.3, SPP 1.2 and PBAP 1.0 - Chipset: BTA8832A - Working Distance: 10M - Call or Play music time: 4 to 5 Hours - Standby time with: 650 Hours (with charger case) - Frequency:2402MHz -2480MHz - Battery Type: 3.7, >50mA Li Battery -Charging Time:1-2Hours Included in the package: - Bluetooth Earbud: 2 Pieces - Charger Case: 1 Piece - User manual: 1 Piece - Eartips: 3 Sizes (Large, Medium and small) - Charging line: 1 Piece Wearing details: L for left ear and R for right ear ?? Head with ear cap facing down, small head up to the suitable position