•Bluetooth 5.3 Connectivity: Ultra-low latency keeps synchronized with audio and video, convenient to keep in contact with your teammates all the time •Cool Light Effect: It makes a bold visual statement with its vibrant cool lighting. Greatly enhances the gaming ambiance and elevates your listening experience •Waterproof Design: The headsets are protected against damage from sweat and light rain. Perfect for sports and workouts Compact Size: The compact body fits easily in your pocket, convenient to carry when traveling, cycling, etc Drop Protection: The charging bin is made of high-quality zinc alloy material and high-strength tempered glass to form a heavy metal cabin, which is very effective in resisting impact, drop and scratches Specification: •Bluetooth version: V5.3 JL AC6973D4 •Supported protocols: HSP, HFP, A2DP, AVRCP •Battery capacity: Earphone: 33mAh * 2 (without protection board, earphone board lithium battery protection IC); Charging bin: 320mAh (with protection board) •Speaker: 13mm •Charging time: 1.5h •Talk time: 5h •Play time: 6h (80% volume) •Standby time: 300h •Speaker sensitivity: 109±3dB •Speaker impedance: 32Ω •Microphone sensitivity: -38±1dB •Input charging standard: DC 5V •Bluetooth operating frequency: 2.402G-2.480G •Frequency response range: 50~20kHz •Maximum transmission distance: 15m •Voice prompt: support •Multi-point connection: not support •Wearing method: semi-in-ear •Interface: Type-C •Waterproof level: IPX4 •Dimensions: 57.5*24.2*58.2mm Package included: •1 Pair x Earphone •1 x Charging Bin •1 x Cable •1 x English and Chinese User Manual •Other things not included