Brand: HOCO Bluetooth version: v5.3 Chipset: JL7003 Supported protocols: Headset, Hands-free, A2DP, AVRCP Transmission distance: 10 meters Transmission frequency: 2.4GHz Speaker unit: 10mm dynamic driver Impedance: 32Ω ± 15% Frequency response: 60–20,000Hz Sensitivity: 92dB ± 3dB Battery capacity: 200mAh Charging input: DC 5V, Type-C Charging time: About 1.5 hours Talk / Music time: Up to 20 hours Standby time: 130 hours Design features: Magnetic earcups, soft silicone neckband Battery display: Supported on Apple and some Android phones Cable length: 85cm Weight: 30g Warranty: 6 months brand warranty