Built-in speakerphone for taking calls and accessing Siri or the Google Assistant from your iOS or Android device Bose technology delivers big sound and deep lows from an ultra-compact speaker Wireless so you can take it anywhere USB-C charging cable included
Wearing method: semi-in-ear Bluetooth chip: Airoha 1536U Bluetooth: V5.0 Bluetooth audio decoding: AAC/SBC Sensitivity: 92±3dB Frequency response range: 20HZ-20KHZ Microphone sensitivity: -42±3db Headphone capacity: 35mAh Charging case capacity: 500mA Impedance: 32Ω Rated power: 3mW Drive unit: φ10mm Play time: about 3.5h (70% volume) Talk time: about 3.5h Standby time: about 120h Charging current: 400mA±50mA Input: DC 5V-1A Charge times to earphones: about 4-5 times Headphone charging time: about 1.5h Charging time of charging case: about 2h Product material: ABS Net weight: 45g